Windows 11 Compatibility Checker - The program is another option for checking to see if your machine is Windows 11 ready.
There are many apps out there now that provide you with this info; we have tried to grab the best ones in terms of speed, simplicity, and if they offer a little more insight on why your machine doesn't meet the requirements. Windows 11 Compatibility Checker performs the search and returns the results quickly.
Windows 11 Compatibility Checker is fast and simple to use, returning clear results, leaving no doubt about what your machine is lacking.
Download: 
Windows.11.Compatibility.Checker.3.0.exe - 2.8 MB