For now, though, I've found the next best thing: a utility called Predator lets you lock your PC just by removing your USB flash drive.

If your PC gets locked automatically, then this post shows how to disable auto lock in Windows 11/10. These settings might be triggering automatic lock.

The Halberd will automatically take care of such things, wirelessly locking a workstation when a user strays beyond its range and granting access upon return.

It automatically locks your computer when you walk away from it. Also, not as boring, it allows for some customizable actions including two-factor authentication.