Are you encountering a while trying to extract this particular file?

One of the downloaded parts is likely damaged. You may need to redownload the specific part mentioned in the error message.

The original software for RAR files, available at win-rar.com. 3. Step-by-Step Extraction Guide

You only need to interact with the first file in the sequence. Right-click on FS_10DStfnftum7u.part1.rar . Choose "Extract":