Compile x86/x64 Qt 5/6 library.
Install Pscx:
Install-Module Pscx -Scope CurrentUser
If you already have installed Pscx from the PowerShell Gallery, you can update Pscx with the command:
Update-Module Pscx
Copy tools\Python27\python27.dll to C:\Windows\system32
folder.
For example:
powershell -ExecutionPolicy RemoteSigned -File msvc2017-Qt5.15.2-x86-static-mt.ps1