How do I open RAR files on my computer for free?

Related questions

1. Can you open WinRAR on Mac?
2. What opens a RAR file?
3. Is WinRAR a one time purchase?
4. Is WinRAR available for Mac?
5. Where does WinRAR install to?
6. Which is better 7zip or Winzip?
7. What's an RAR file for Mac?

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