After payment processing, your registration details and key will be delivered via email or physical mail (depending on the option chosen). How to Install Your Total Commander Registration Key
who opens the program once a week to move a few files: No, you don't strictly need a key. The 1-second nag screen is a minor annoyance.
However, Microsoft has been pushing the Windows Store and AppX packaging. If Total Commander ever moves exclusively to the Windows Store, the wincmd.key file system might change. But for now, the classic portable model remains.
Once you receive your official registration key via email, activating your software takes less than a minute. Follow these steps: Method 1: The Automatic Drag-and-Drop (Easiest) Open your existing, unregistered Total Commander.