Install the .NET SDK

The latest long-term-support .NET SDK for C# and F#, plus your first app.

Install the .NET SDK
Terminal
```
brew install --cask dotnet-sdk
```

Create and run an app

Terminal

dotnet new console -o hello && cd hello && dotnet run

Check it worked

Check the version
Terminal
```
dotnet --version
```

Undo it

Uninstall the .NET SDK
Terminal
```
brew uninstall --cask dotnet-sdk
```

Install the libraries .NET needsNeeds sudo
Terminal · Ubuntu / Debian
```
sudo apt install -y libicu74
```
Usually already there on Ubuntu Desktop. Harmless if it is.
Install the .NET SDK with Microsoft's script
Terminal · Ubuntu / Debian
```
curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --channel LTS
```
Installs into your home folder, so no sudo is needed.

Add it to your PATH

Terminal · Ubuntu / Debian

echo 'export DOTNET_ROOT="$HOME/.dotnet"' >> ~/.bashrc
echo 'export PATH="$PATH:$HOME/.dotnet:$HOME/.dotnet/tools"' >> ~/.bashrc
source ~/.bashrc

Create and run an app

Terminal · Ubuntu / Debian

dotnet new console -o hello && cd hello && dotnet run

Check it worked

Check the version
Terminal · Ubuntu / Debian
```
dotnet --version
```

Undo it

Remove the .NET SDK
Terminal · Ubuntu / Debian
```
rm -rf ~/.dotnet
```
Then delete the two dotnet lines from ~/.bashrc.

Install the .NET SDK
PowerShell
```
winget install Microsoft.DotNet.SDK.10
```
Close and reopen PowerShell afterwards.

Create and run an app

PowerShell

dotnet new console -o hello; cd hello; dotnet run

Check it worked

Check the version
PowerShell
```
dotnet --version
```

Undo it

Uninstall the .NET SDK

PowerShell

winget uninstall Microsoft.DotNet.SDK.10