MajorGeeks published a tutorial about how to verify if system files and drivers are digitally signed in Windows.

How to Verify if System Files and Drivers are Digitally Signed in Windows

System files and drivers are digitally signed for your protection should any changes occur. If you suspect problems with any of your files or drivers, we can verify if any unsigned files are on your computer.

How to Verify if System Files and Drivers are Digitally Signed in Windows - MajorGeeks