Install The Unarchiver Or Keka From The Mac App Store Or Official Website
Open The RAR File With The Installed App
Double-Click The RAR File If The App Is Set As The Default Opener
Right-Click The RAR File And Choose Open With
Select The Archive Utility If It Supports The File
Use Terminal With The `unrar` Command If You Prefer Command Line
Drag And Drop The RAR File Into The App Window If Supported
Extract The Contents To A Folder On Your Mac