Install a file archiver that supports RAR files
Use WinRAR, 7-Zip, PeaZip, or a similar app
Right-click the RAR file
Select Open with
Choose the archiver app
Click Extract Here or Extract to Folder
Enter the password if the file is protected
Open the extracted files from the destination folder
On mobile, install a RAR-compatible app from the app store
Open the app and locate the RAR file
Tap Extract or Unzip
Access the extracted files in the chosen folder