If you purchased a legal copy but are experiencing a glitch, clearing the old registration data forces Beyond Compare to accept a clean registration input. Close Beyond Compare 4 completely. Press Windows Key + R to open the Run dialog box.
: If you have a legitimate purchase but your key is revoked, email support@scootersoftware.com. Include your serial number, original order email, or other purchase information so they can issue a new, secure key. beyond compare 4 license key has been revoked