Steps to test PC for Windows 11 compatibility

• Create "c:\c3" folder if it does not already exist
• Download Windows11Compatibility.ps1 to c:\c3 and name "Windows11Compatibility.ps1"
• Press "Windows Key" and type PowerShell and select "Run as Administrator"
• In PowerShell console, change directory to c:\c3 by typing cd c:\c3
• Type .\Windows11Compatibility.ps1 and press enter

Results will be:

• TPM Compatible : True or False
• Processor Compatible : True or False
• 64 Bit OS : True or False

For a system to be compatible with Windows 11, it must receive True for all three checks.

Source: https://www.cyberdrain.com/monitoring-with-powershell-checking-if-your-device-is-compatible-with-windows-11/