After the 40 days expire, the software does not lock you out. It remains fully functional for both extracting and creating archives.
WinRAR is technically "shareware," but its enforcement is famously lenient.
Searching for a "crack" or "keygen" exposes your system to several dangers: WinRAR: The 40-Day Trial That Never Ends - THE FEEDBACK
WinRAR officially provides a 40-day free trial .
While many users look for a , downloading such files is highly discouraged due to extreme security risks and the fact that WinRAR offers a unique trial model that makes cracking it unnecessary. Why You Don't Need a WinRAR Crack