: 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. Download Win Rar (64 Bit) exe
: The most secure way to get the .exe file. It offers both the latest stable releases and beta versions. : WinRAR is "shareware
: Do not download WinRAR from "crack" sites or unofficial mirrors to avoid malware or bundled adware. Download Win Rar (64 Bit) exe
Below is a guide on how to safely acquire and install the software. Official Download Sources