: Use the RAR app from the Play Store. Select the first part and tap the extract button. Troubleshooting

: One of the parts is corrupted. You may need to redownload the specific part mentioned in the error or use the "Repair" function if using WinRAR.

: Right-click only the first file ( part01 or the base .rar file) and select "Extract Here" or "Extract to [Folder Name]" using WinRAR or 7-Zip .

: Use The Unarchiver or Keka . Open the first part, and it will automatically find the rest.

: Place all parts in the same directory on your computer.