Ensure your extraction software is updated. Older versions of 7-Zip or WinRAR sometimes struggle with "RAR5" formats created by newer versions.
Since Windows and macOS do not natively support extracting .rar files (they typically only handle .zip ), you will need to install a third-party application. 21072.rar
Select to unpack the files into the current folder, or "Extract to 21072/" to put them into a new folder. Ensure your extraction software is updated