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The runtime includes everything you need to run existing apps/programs built with.NET Framework. Download.NET Framework 4.6.2 Runtime. The developer pack is used by software developers to create applications that run on.NET Framework, typically using Visual Studio. Download.NET Framework 4.6.2 Developer Pack. Visual Studio 2019 for Mac now offers full support of the.NET Core 3 SDK. Experience all the new features, and build powerful ASP.NET Core web apps and APIs. Get started today by adding it as a target when creating a new project. Preview Updates Ship for Visual Studio for Mac,.NET Framework. Developers wanting in on the latest and greatest from the Microsoft dev world now have access to new previews for the next iterations of the Visual Studio for Mac IDE and the flagship.NET Framework.
The Microsoft Bot Builder V4 Templates are available for .NET, and will let you quickly set up a conversational AI botusing core AI capabilities. They are available as a VSIX package.
AboutMicrosoft Bot Builder V4 Templates will help you build new conversational AI bots using the Microsoft Bot Framework v4.
TemplatesThere are three different template options. The table below can help guide which template is right for you.
TemplateDescription
Echo BotA good template if you want a little more than 'Hello World!', but not much more. This template handles the very basics of sending messages to a bot, and having the bot process the messages by repeating them back to the user. This template produces a bot that simply 'echoes' back to the user anything the user says to the bot.
Core BotOur most advanced template, the Core Bot template provides 6 core features every bot is likely to have. This template covers the core features of a Conversational-AI bot using LUIS. See the Core Bot Features table below for more details.
Core Bot with TestsOur Core Bot template plus a full unit test project. This template contains all the Core Bot features plus a complete set of unit tests showing how to unit test Core Bot using the Bot Framework Testing framework introduced in version 4.5 of Bot Framework.
Empty BotA good template if you are familiar with Bot Framework v4, and simple want a basic skeleton project. Also a good option if you want to take sample code from the documentation and paste it into a minimal bot in order to learn.
How to Choose a TemplateTemplateWhen This Template is a Good Choice
Echo BotYou are new to Bot Framework v4 and want a working bot with minimal features.
Core BotYou understand some of the core concepts of Bot Framework v4 and are beyond the concepts introduced in the Echo Bot template. You're familiar with or are ready to learn concepts such as language understanding using LUIS, managing multi-turn conversations with Dialogs, handling user initiated Dialog interruptions, and using Adaptive Cards to welcome your users.
Core Bot with TestsThe Core Bot template plus a unit test project using the Bot Framework test framework introduced in version 4.5 of Bot Framework.
Empty BotYou are a seasoned Bot Framework v4 developer. You've built bots before, and want the minimum skeleton of a bot to help you get started.
Template OverviewEcho Bot TemplateThe Echo Bot template is slightly more than the a classic 'Hello World!' example, but not by much. This template shows the basic structure of a bot, how a bot recieves messages from a user, and how a bot sends messages to a user. The bot will 'echo' back to the user, what the user says to the bot. It is a good choice for first time, new to Bot Framework v4 developers.
Core Bot TemplateThe Core Bot template consists of set of core features most every bot is likely to have. Building off of the core message processing features found in the Echo Bot template, this template adds a number of more sophisticated features. The table below lists these features and provides links to additional documentation.
Core Bot FeaturesDescription
Send and receive messagesThe primary way your bot will communicate with users, and likewise receive communication, is through message activities. Some messages may simply consist of plain text, while others may contain richer content such as cards or attachments.
Proactive messaging using Adaptive CardsThe primary goal when creating any bot is to engage your user in a meaningful conversation. One of the best ways to achieve this goal is to ensure that from the moment a user first connects to your bot, they understand your bot's main purpose and capabilities. We refer to this as 'welcoming the user.' The Core template uses an Adaptive Card to implement this behavior.
Language understanding using LUISThe ability to understand what your user means conversationally and contextually can be a difficult task, but can provide your bot a more natural conversation feel. Language Understanding, called LUIS, enables you to do just that so that your bot can recognize the intent of user messages, allow for more natural language from your user, and better direct the conversation flow.
Multi-turn conversation support using DialogsThe ability to manage conversations is an important part of the bot/user interation. Bot Framework introduces the concept of a Dialog to handle this conversational pattern. Dialog objects process inbound Activities and generate outbound responses. The business logic of the bot runs either directly or indirectly within Dialog classes.
Managing conversation stateA key to good bot design is to track the context of a conversation, so that your bot remembers things like the answers to previous questions.
How to handle user-initiated interruptionsWhile you may think that your users will follow your defined conversation flow step by step, chances are good that they will change their minds or ask a question in the middle of the process instead of answering the question. Handling interruptions means making sure your bot is prepared to handle situations like this.
How to unit test a botOptionally, the Core Bot with Tests template can generate a corresponding test project that shows how to use the testing framework introduced in Bot Framework version 4.5. The testing project provides a complete set of units tests for Core Bot. It shows how to write unit tests to test the various features of Core Bot.
Empty Bot TemplateThe Empty Bot template is the minimal skeleton code for a bot. It provides a stub ActivityHandler implementation that displays a message to a newly connected user. It does not perform any additional actions. If you are experienced writing bots with Bot Framework v4 and want the minimum scaffolding, the Empty Bot template is for you.
Features by TemplateFeatureEmpty BotEcho BotCore BotCore Bot with Tests
Generate code in JavaScript or TypesScriptXXXX
Support local development and testing using the Bot Framework Emulator v4XXXX
Core bot message processingXXX
Deploy your bot to Microsoft AzureXXX
Welcome new users using Adaptive Card technologyXX
Support AI-based greetings using LUISXX
Use Dialogs to manage more in-depth conversationsXX
Manage conversation stateXX
Handle user interruptionsXX
Unit test a bot using Bot Framework Testing frameworkX
Installation

Template	Description
Echo Bot	A good template if you want a little more than 'Hello World!', but not much more. This template handles the very basics of sending messages to a bot, and having the bot process the messages by repeating them back to the user. This template produces a bot that simply 'echoes' back to the user anything the user says to the bot.
Core Bot	Our most advanced template, the Core Bot template provides 6 core features every bot is likely to have. This template covers the core features of a Conversational-AI bot using LUIS. See the Core Bot Features table below for more details.
Core Bot with Tests	Our Core Bot template plus a full unit test project. This template contains all the Core Bot features plus a complete set of unit tests showing how to unit test Core Bot using the Bot Framework Testing framework introduced in version 4.5 of Bot Framework.
Empty Bot	A good template if you are familiar with Bot Framework v4, and simple want a basic skeleton project. Also a good option if you want to take sample code from the documentation and paste it into a minimal bot in order to learn.

Template	When This Template is a Good Choice
Echo Bot	You are new to Bot Framework v4 and want a working bot with minimal features.
Core Bot	You understand some of the core concepts of Bot Framework v4 and are beyond the concepts introduced in the Echo Bot template. You're familiar with or are ready to learn concepts such as language understanding using LUIS, managing multi-turn conversations with Dialogs, handling user initiated Dialog interruptions, and using Adaptive Cards to welcome your users.
Core Bot with Tests	The Core Bot template plus a unit test project using the Bot Framework test framework introduced in version 4.5 of Bot Framework.
Empty Bot	You are a seasoned Bot Framework v4 developer. You've built bots before, and want the minimum skeleton of a bot to help you get started.

Core Bot Features	Description
Send and receive messages	The primary way your bot will communicate with users, and likewise receive communication, is through message activities. Some messages may simply consist of plain text, while others may contain richer content such as cards or attachments.
Proactive messaging using Adaptive Cards	The primary goal when creating any bot is to engage your user in a meaningful conversation. One of the best ways to achieve this goal is to ensure that from the moment a user first connects to your bot, they understand your bot's main purpose and capabilities. We refer to this as 'welcoming the user.' The Core template uses an Adaptive Card to implement this behavior.
Language understanding using LUIS	The ability to understand what your user means conversationally and contextually can be a difficult task, but can provide your bot a more natural conversation feel. Language Understanding, called LUIS, enables you to do just that so that your bot can recognize the intent of user messages, allow for more natural language from your user, and better direct the conversation flow.
Multi-turn conversation support using Dialogs	The ability to manage conversations is an important part of the bot/user interation. Bot Framework introduces the concept of a Dialog to handle this conversational pattern. Dialog objects process inbound Activities and generate outbound responses. The business logic of the bot runs either directly or indirectly within Dialog classes.
Managing conversation state	A key to good bot design is to track the context of a conversation, so that your bot remembers things like the answers to previous questions.
How to handle user-initiated interruptions	While you may think that your users will follow your defined conversation flow step by step, chances are good that they will change their minds or ask a question in the middle of the process instead of answering the question. Handling interruptions means making sure your bot is prepared to handle situations like this.
How to unit test a bot	Optionally, the Core Bot with Tests template can generate a corresponding test project that shows how to use the testing framework introduced in Bot Framework version 4.5. The testing project provides a complete set of units tests for Core Bot. It shows how to write unit tests to test the various features of Core Bot.

Feature	Empty Bot	Echo Bot	Core Bot	Core Bot with Tests
Generate code in JavaScript or TypesScript	X	X	X	X
Support local development and testing using the Bot Framework Emulator v4	X	X	X	X
Core bot message processing	X	X	X
Deploy your bot to Microsoft Azure	X	X	X
Welcome new users using Adaptive Card technology	X	X
Support AI-based greetings using LUIS	X	X
Use Dialogs to manage more in-depth conversations	X	X
Manage conversation state	X	X
Handle user interruptions	X	X
Unit test a bot using Bot Framework Testing framework	X

PrerequisitesInstall the template.You can download Microsoft Bot Builder V4 Templates here. Click the .vsix file to install the extension into Visual Studio.
UsageCreating a New Bot ProjectIn Visual Studio go to File > New > Project...
Select template of choice from Bot Builder v4 templates, then click OK.
Running Your BotRunning Your Bot LocallyInstalling Missing Frameworks Visual StudioVisual StudioNavigate to the folder containing the .csproj file and open it in Visual Studio.
Run the project (press F5 key)
.NET Core CLIInstall the .NET Core CLI tools.
Using the command line, navigate to your project's root folder.
Type dotnet run.
Testing the bot using Bot Framework EmulatorVisual Studio Net DownloadBot Framework Emulator is a desktop application that allows bot developers to test and debug their bots on localhost or running remotely through a tunnel.
Install the Bot Framework Emulator version 4.3.0 or greater from here
Connect to the bot using Bot Framework EmulatorLaunch Bot Framework Emulator
File -> Open Bot
Enter a Bot URL of http://localhost:3978/api/messages
Deploy the bot to AzureTo learn more about deploying a bot to Azure, see Deploy your bot to Azure for a complete list of deployment instructions.
The deployment process assumes you have an account on Microsoft Azure and are able to log into the Microsoft Azure Portal. Play sims 4 demo on mac.
If you are new to Microsoft Azure, please refer to Getting started with Azure for guidance on how to get started on Azure.
Logging Issues and Providing FeedbackIssues and feedback about the templates can be submitted through the project's GitHub issues page.
I saw an implementation of some C# code this week that looked like it should work, but wasn't producing the expected results for me using .NET 4.6. I thought I'd setup a local project in Visual Studio for Mac and then turn the clock back a bit to see if maybe how the code was implemented changed between .NET versions. That'd actually be pretty unusual, since .NET values backwards compatibility, but it's not unheard of.
So I spent a few evenings trying to target a C# project for an earlier version of .NET, which seemed as if it were going to be trivial. You can right-click a project and choose options to find a dropdown under the 'Build' settings, which is very similar to Visual Studio on Windows.
However, switching to an earlier version of .NET alternated between showing an error in the console when I tried to run my tiny app:
Add Target Framework Visual StudioWARNING: The runtime version supported by this application is unavailable.
Using default runtime: v4.0.30319And sometimes the IDE blew up completely by underlining everything and claiming it could no longer find System.Object or System.Int32. This is fairly typical of my experience in VS4Mac.. it works okay as long as you stay in the lines. Mac video camera. Once you start doing anything remotely interesting though..
Even after restarting (and reinstalling) VS4Mac, that project appeared to be permanently hosed, and I had to create a new one. I even tried committing the project to git before this happened so I could restore it, but it showed no changes, so whatever got borked must've been in some hidden file.
Try a different Mono version?When I checked the .NET Runtimes tab in preferences, all I had was Mono 5. Okay, so maybe each Mono version supports whatever version of the .NET Framework was out when it was released, and I needed to install them? Sure, just a guess, but it seemed logical.
I downloaded the last release for 2.x, 3.x, etc and installed them all. Afterwards, I tried different combinations of Mono release (Project / Active Runtime) to .NET framework, but no luck there either. Same error.
Getting official helpMicrosoft Visual Studio Net DownloadAfter awhile, I opened a ticket in the developer community forums with all the details above, including what I'd tried. A few days later, it was closed with this response from a Microsoft employee:
Thank you for your feedback! We have determined that this issue is not a bug. Mono by design only supports latest versions of .NET and is not .NET 2.0, 3.5 versions of CRL. So warning is valid and intended, hence closing this as not a bug. If you want to compare behavior between .NET 3.5 and 4.5 or something similar, I suggest installing very old Mono or even better do it on Windows with .NET instead of Mono.In other words, the marketing team should've probably thought a little longer about how to brand this. There's no need to 'Visual Studio' all the things. I replied asking for any other hints or tips on how to do that, but haven't heard back yet. I can only assume he means I should compile the MonoDevelop source code.. or just use Windows.
After doing some more research, I found release notes for MonoDevelop 4.0.0 that corraborated what he said. Although I don't know why the 2.x and 3.x versions of Mono don't work then.. or why there's an available selection for the .NET Framework at all. Or why the MonoDevelop team decided to drop support for devs writing apps in a corporate environment, where only an older version of .NET is installed.

PrerequisitesInstall the template.You can download Microsoft Bot Builder V4 Templates here. Click the .vsix file to install the extension into Visual Studio.
UsageCreating a New Bot ProjectIn Visual Studio go to File > New > Project...
Select template of choice from Bot Builder v4 templates, then click OK.
Running Your BotRunning Your Bot LocallyInstalling Missing Frameworks Visual StudioVisual StudioNavigate to the folder containing the .csproj file and open it in Visual Studio.
Run the project (press F5 key)
.NET Core CLIInstall the .NET Core CLI tools.
Using the command line, navigate to your project's root folder.
Type dotnet run.
Testing the bot using Bot Framework EmulatorVisual Studio Net DownloadBot Framework Emulator is a desktop application that allows bot developers to test and debug their bots on localhost or running remotely through a tunnel.
Install the Bot Framework Emulator version 4.3.0 or greater from here
Connect to the bot using Bot Framework EmulatorLaunch Bot Framework Emulator
File -> Open Bot
Enter a Bot URL of http://localhost:3978/api/messages
Deploy the bot to AzureTo learn more about deploying a bot to Azure, see Deploy your bot to Azure for a complete list of deployment instructions.
The deployment process assumes you have an account on Microsoft Azure and are able to log into the Microsoft Azure Portal. Play sims 4 demo on mac.
If you are new to Microsoft Azure, please refer to Getting started with Azure for guidance on how to get started on Azure.
Logging Issues and Providing FeedbackIssues and feedback about the templates can be submitted through the project's GitHub issues page.
I saw an implementation of some C# code this week that looked like it should work, but wasn't producing the expected results for me using .NET 4.6. I thought I'd setup a local project in Visual Studio for Mac and then turn the clock back a bit to see if maybe how the code was implemented changed between .NET versions. That'd actually be pretty unusual, since .NET values backwards compatibility, but it's not unheard of.
So I spent a few evenings trying to target a C# project for an earlier version of .NET, which seemed as if it were going to be trivial. You can right-click a project and choose options to find a dropdown under the 'Build' settings, which is very similar to Visual Studio on Windows.
However, switching to an earlier version of .NET alternated between showing an error in the console when I tried to run my tiny app:
Add Target Framework Visual StudioWARNING: The runtime version supported by this application is unavailable.
Using default runtime: v4.0.30319And sometimes the IDE blew up completely by underlining everything and claiming it could no longer find System.Object or System.Int32. This is fairly typical of my experience in VS4Mac.. it works okay as long as you stay in the lines. Mac video camera. Once you start doing anything remotely interesting though..
Even after restarting (and reinstalling) VS4Mac, that project appeared to be permanently hosed, and I had to create a new one. I even tried committing the project to git before this happened so I could restore it, but it showed no changes, so whatever got borked must've been in some hidden file.
Try a different Mono version?When I checked the .NET Runtimes tab in preferences, all I had was Mono 5. Okay, so maybe each Mono version supports whatever version of the .NET Framework was out when it was released, and I needed to install them? Sure, just a guess, but it seemed logical.
I downloaded the last release for 2.x, 3.x, etc and installed them all. Afterwards, I tried different combinations of Mono release (Project / Active Runtime) to .NET framework, but no luck there either. Same error.
Getting official helpMicrosoft Visual Studio Net DownloadAfter awhile, I opened a ticket in the developer community forums with all the details above, including what I'd tried. A few days later, it was closed with this response from a Microsoft employee:
Thank you for your feedback! We have determined that this issue is not a bug. Mono by design only supports latest versions of .NET and is not .NET 2.0, 3.5 versions of CRL. So warning is valid and intended, hence closing this as not a bug. If you want to compare behavior between .NET 3.5 and 4.5 or something similar, I suggest installing very old Mono or even better do it on Windows with .NET instead of Mono.In other words, the marketing team should've probably thought a little longer about how to brand this. There's no need to 'Visual Studio' all the things. I replied asking for any other hints or tips on how to do that, but haven't heard back yet. I can only assume he means I should compile the MonoDevelop source code.. or just use Windows.
After doing some more research, I found release notes for MonoDevelop 4.0.0 that corraborated what he said. Although I don't know why the 2.x and 3.x versions of Mono don't work then.. or why there's an available selection for the .NET Framework at all. Or why the MonoDevelop team decided to drop support for devs writing apps in a corporate environment, where only an older version of .NET is installed.
Dropped Support for Old Frameworks
Reference Assemblies
We no longer build the reference assemblies for the .NET 2.0, .NET 3.5 or .NET 4.0 APIs, we now ship binaries of the reference assemblies (API contracts, without any actual executable code in them).
Mono will now only build the .NET 4.5 assemblies as well as the mobile-based profiles.
Note: You can still run assemblies compiled for earlier .NET profiles on Mono, there's no need to recompile them (they'll just run on the .NET 4.5 assemblies instead).What now?Use Visual Studio on Windows, I guess. Seriously. I found at least one workaround but it seems to be for MonoDevelop only, not Visual Studio. Realizing your only option is to compile from source code makes you take a long, hard look at how badly you need to test a piece of code. For me, not that badly. 😩
I think the most frustrating thing is that this app, which is really a rebranded Xamarin Studio, is marketed like it's the full Visual Studio IDE ported from Windows to Mac. It is absolutely not. A better name would've helped avoid confusion (something that frustrated devs from the moment it launched), but MS has had a rough history of finding good names for products. Run office repair on mac.