The Sims 4 (v1.93.129.1030) All In One.part09.rar -

Use a program like WinRAR or 7-Zip to right-click on part01.rar and select "Extract Here." The software will automatically pull data from part09 and all other segments to recreate the full installer or game folder [1, 4].

If you get a "Checksum Error" specifically on part09, that individual file may be corrupted and likely needs to be re-downloaded [2, 5]. The Sims 4 (v1.93.129.1030) ALL IN ONE.part09.rar

Since your version is v1.93.129.1030 , make sure all parts belong to this specific build to avoid corruption [3]. Use a program like WinRAR or 7-Zip to right-click on part01

To successfully use this file, you generally need to follow these steps: 5]. Since your version is v1.93.129.1030