: Go to Settings > My installed games > Verify Integrity .
: If you encounter errors after extraction, such as "missing launcher files," use your launcher’s built-in verification tool. Grand.Theft.Auto.V-Version.1.64.part08.rar
: If you get a "checksum error" or "unexpected end of archive," you are likely missing a part or have a corrupted download. Re-download only the specific part mentioned in the error. : Go to Settings > My installed games > Verify Integrity