Microsoft released one tool που ονομάζεται PC Health Check. Το συγκεκριμένο εργαλείο μπορεί να τρέξει σε συσκευές με Windows and determine whether they are compatible with the upcoming functional the company's Windows 11 system. Microsoft later announced that its tool is not reliable (prototype).
However, even if it worked, it would not reveal why the device is not compatible, meaning what the problem is. So you should check every element of it computer manually.
For the processor, you should find out the make and model of the device and then look for it in the list of compatible processors Microsoft from AMD, Intel and ARM.
Win11SysCheck is an open source tool that lets you know if one computer is compatible with Windows 11 and shows you the reason if it is not. It is more detailed than Microsoft's tool as it lists the controls and results in the UI.
You can download Win11SysCheck from the project website. Note that a SmartScreen message may appear when you run the tool in Windows - no installation required. The tool is new, and that's the message. Just ignore it and keep running.
A DOS window will list all their checks and return values. Even on Surface Go devices, Win11SysCheck will confirm if your processor is compatible or not and why.