If you're looking for Folder Guard Pro to lock or hide specific folders on your PC, it is highly recommended to download it directly from the developer's official site rather than using a "Pro22 rar" file from third-party sources. Why to Avoid "Pro22 rar" Downloads

Assign unique passwords to individual folders or files.

Go to the official Folder Guard website to get the latest stable version.

Make sensitive folders completely invisible to other users.

They offer a fully functional free trial so you can test the locking and hiding features before purchasing.

"Pro22" likely refers to an older version; the current official release often includes critical security patches for newer Windows versions.