: Right-click the downloaded file, select Properties > Digital Signatures , and ensure the signer is "win.rar GmbH".

: On the download page, look for the link labeled "WinRAR x64 (64 bit)" .

: WinRAR is "shareware." You can use it for free during a trial period, after which it will occasionally prompt you to purchase a license, though basic functionality remains accessible.

: Locate the downloaded winrar-x64-xxx.exe file in your Downloads folder and double-click it.

: Do not download WinRAR from "crack" sites or unofficial mirrors to avoid malware or bundled adware.