: Go to Start > Settings > System > About and look under System Type .

The safest way to download WinRAR is directly from the developer to avoid malware or fake installers. Navigate to the Official WinRAR Download Page.

If you specifically need version 5.71, you may need to look for an "older versions" or "archive" section, though the main page typically defaults to the latest stable release. Step 3: Download the Executable (.exe)