Right-click the .rar file and select "Extract Here" or "Extract to [Folder Name]".
If you cannot open a file because it is corrupted, you can try repairing it: kaktotio.rar
Open the file in WinRAR, click the "Repair" button in the toolbar. Right-click the
RAR files are compressed archives. To access their contents, you need specialized software. kaktotio.rar
Use WinRAR: Right-click the files > "Add to archive..." > Select "RAR" as the archive format.