q# not installing

[mehtabafsar]

Describe the bug

Describe what the unexpected behavior or issue is.
Please file a single issue per bug instead of enumerating multiple items.

To Reproduce

Steps to reproduce the behavior:

1. Open or go to '...'
2. Type or click on '....'
3. See error

The more information you can provide, the more likely someone will be successful at reproducing the issue and finding a fix.

Expected behavior

Describe what you expect to happen, versus what actually happened.

Screenshots

If applicable, add screenshots to help explain your problem.

System information

• Version of the NuGet package or extension for which the problem occurs
• Your operating system and .NET Core version
• For issues with extensions, the version of the IDE for which the problem occurs

Additional context

Add any other context about the problem here.