First of all Enable Virtual Machine Platform in Windows Features if not Enabled.
This will need a restart.

Then go to this Github Link and fork the repo.
Go to actions and enable it

Now click Build WSA and then click Run Work Flow
Enter pico
in the Variants option. (Pico is recommended but still you can try other options)
Without this Google Play Store wont be installed

Now click Run Workflow button in green and refresh the page
Wait till the workflow finishes and Open the workflow

Download the x64 package and Extract it.
After extraction open the folder and right click the install.ps1
file and click Run with PowerShell
Wait until it installs WSA.
After installation open WSA from Start Menu and click Files option

This will start WSA and install Playstore
Finally WSA with PlayStore ready to rock 😁