If you are looking for a review of the you are trying to install, here is the consensus: The Good:
In a multi-part set, all parts except the last one are usually identical in size. If part03 is significantly smaller than part01 or part02 , the download likely failed halfway. Game Review: NBA 2K21 (The Content Inside) NBA.2k21.part03.rar
If you get a "Checksum Error" or "Unexpected end of archive" when opening this, it means part03 is corrupted. You would need to redownload this specific file. If you are looking for a review of