QDK has been out of Visual Studio support for a long time and is available in 3 official ways:
python -m pip install qsharp qsharp-core qsharp-chemistry azure-quantum
ext install quantum.qsharp-lang-vscode
And there is a very old version of QDK for Vidual Studio that is not stable and is out of support!

QDK has been out of Visual Studio support for a long time and is available in 3 official ways:
Microsoft Azure
Visual Studio Code Extension
And there is a very old version of QDK for Vidual Studio that is not stable and is out of support!