Extraction speed is not affected if you are unpacking the entire game at once. Managing Your Multi-Part Archive
For a quick walkthrough on how solid archives work in WinRAR, you can watch this tutorial: FIFA18.part02.rar
To extract just one file from the middle of the archive, the software must analyze and decompress all preceding data in the stream. Extraction speed is not affected if you are
Because this is a multi-part RAR ( part02.rar ), the "solid" feature applies across the entire set. You must have (part01, part02, etc.) in the same folder to successfully extract the game. If you encounter errors, verify that each part is fully downloaded and not corrupted. FIFA18.part02.rar