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Update VS Mac 8.10 support info on Apple Silicon #7860

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28 changes: 5 additions & 23 deletions mac/uninstall-net-2019.md
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Expand Up @@ -11,30 +11,12 @@ ms.assetid: db2dc420-63d2-44ef-bdda-a351561dc900

# Visual Studio for Mac 8.10 and .NET on Apple Silicon machines

On Apple Silicon machines (also known as M1 or ARM), Visual Studio for Mac 8.10 does not currently support the .NET 6, .NET 5 and .NET Core 3.1 x64 SDKs released in November. It also does not support the .NET 6 Arm64 SDK. If any of these are installed, then they will break Visual Studio for Mac 8.10, and should be uninstalled, and the older .NET SDKs installed.
On Apple Silicon machines (also known as M1 or ARM), Visual Studio for Mac 8.10 does not support the .NET 6 Arm64 SDK. .NET 5 and .NET Core 3.1 x64 SDKs are supported. .NET 6 x64 SDK is required for building projects since the .NET 5 x64 and .NET Core 3.1 x64 SDKs are not supported for building on Apple Silicon machines.

> [!NOTE]
> This information is specific for Visual Studio for Mac 2019 (8.10.x) versions. For information on this process for Visual Studio for Mac 2022 Preview versions, see [Visual Studio for Mac 17.0 and .NET on Apple Silicon machines](/visualstudio/mac/uninstall-net-2022) for details.

## Uninstall .NET from your machine:
.NET 6 is not fully supported by Visual Studio for Mac 8.10 since C# 10 is not supported in the editor. For this reason the New Project dialog will not show .NET 6.0 as an option when creating new projects.

1. Download the [uninstall script](https://github.com/dotnet/sdk/blob/main/scripts/obtain/uninstall/dotnet-uninstall-pkgs.sh) from the .NET GitHub repository by right-clicking on the script and selecting **Save As** to save the file to your Mac.
2. Open Terminal and change the working directory to where the script was downloaded:

```bash
cd /location/of/file
```
3. Make the script executable and then run it with **sudo**:
The latest Visual Studio for Mac 8.10 version will detect an unsupported .NET installation on checking for updates and will offer to remove it before installing the supported .NET SDKs.

```bash
chmod +x dotnet-uninstall-pkgs.sh
sudo ./dotnet-uninstall-pkgs.sh
sudo rm -r /etc/dotnet
```

## Install supported .NET SDKs
> [!NOTE]
> This information is specific for Visual Studio for Mac 2019 (8.10.x) versions. For information on this process for Visual Studio for Mac 2022 Preview versions, see [Visual Studio for Mac 17.0 and .NET on Apple Silicon machines](/visualstudio/mac/uninstall-net-2022) for details.

1. Install the October releases of the .NET 5 and .NET Core 3.1 x64 SDKs
- [.NET 5.0.402 x64 SDK](https://download.visualstudio.microsoft.com/download/pr/88bc1553-e90f-4a4f-9574-65d9a5065cd2/1d5646e1abb8b4d4a61ba0b0be976047/dotnet-sdk-5.0.402-osx-x64.pkg)
- [.NET Core 3.1.414 x64 SDK](https://download.visualstudio.microsoft.com/download/pr/0517421d-3300-42c7-a420-e42d55068126/76b722e65c0745962156e622ed76501c/dotnet-sdk-3.1.414-osx-x64.pkg)
2. Restart Visual Studio for Mac for it to detect the new SDKs installed.