Reprint
Open Beyond Compare 4, the prompt has exceeded the 30-day trial period limit, the solution:
1. Modify C:\Program Files\Beyond Compare 4\BCUnrar.dll , if this file is renamed or deleted directly, a 30-day trial period will be added, and a 28-day trial period will be added when opening it again.
2. Once and for all, modify the registry
1) Enter regedit in the search bar to open the registry
2) Delete item:
Computer\HKEY_CURRENT_USER\Software\Scooter Software\Beyond Compare 4\
CacheId