If you want a fully free, legal, and powerful archiver without "buy me" pop-ups, consider these alternatives:

: The most popular open-source alternative. It is completely free for personal and commercial use, supports almost all archive formats (including .rar extraction), and often has better compression ratios via its own .7z format.

: You should always download the installer directly from the official WinRAR website (rarlab.com) to ensure the file is clean and safe. Free and Open-Source Alternatives

Downloading WinRAR from unofficial sources with a pre-packaged "key" or "patch" poses several dangers: