macOS
System Requirements
Beyond Compare 4 runs on Macintosh computers, under macOS 10.11 El Capitan and up.
Settings Location
Beyond Compare on macOS stores settings in:
/Users/username/Library/Application Support/Beyond Compare/
Register for All Users
The default registration method (opening Beyond Compare | Enter Key from the menu) registers for the current user account.
To register for all users, save your license key as:
/etc/BC4Key.txt