You do not need a WinRAR permanent activator. The software already allows you to use its core features after the trial period ends, and the tools promising a "permanent fix" are almost always traps designed to compromise your personal data. To keep your computer secure, either ignore the occasional trial pop-up, purchase a legitimate license, or switch to a trusted free alternative like 7-Zip.
: Copy this file into your WinRAR installation folder (usually C:\Program Files\WinRAR %APPDATA%\WinRAR winrar permanent activator