Allow rights:
Right-click on "Windows PowerShell" and select "Run as administrator."

Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser

Unblock-File -Path "C:\Users\Computer.pyenv\pyenv-win\bin\pyenv.ps1"

Install
https://github.com/pyenv-win/pyenv-win

pyenv exec python -m venv dance