checksum voice in the propriety of a file

good morning
as a title, I'm not sure but I remember (maybe in win10?), right switch on an exe file, propriety, there was a voice like 'checksum', in win11 there isn't...is there a way to activate it?
thank in advance

I think you maybe are referring to the Digital Signatures tab of the File Properties window.

Same in Windows 11.

This tab is only visible if the exe is digitally certified.

Here is a Digital Signatures tab of the File Properties window for an exe file that has been digitally certified:

You can use a third party utility but I find no more often than I use it, the easiest way is to use Windows built-in command line tool Certutil.