If you wish to remove the nag screen and support the developers, follow the official process:
Searching for "skachat winrar arkhivator s kliuchom" (download WinRAR archiver with key) often leads to unofficial sites that pose significant security risks. Security experts warn that fake or modified installers from third-party sites frequently hide malware behind a real installer. Official and Safe Download Methods skachat winrar arkhivator s kliuchom
: Downloading a "key" or "crack" from a third-party site is unnecessary and highly likely to infect your system with trojans or keyloggers. How to Officially Register WinRAR If you wish to remove the nag screen