Hotel_renovator-flt.part4.rar

If you are getting a "Checksum error" specifically on part4, it means that part was corrupted during the download. You don't need to redownload the whole game—just delete and redownload that specific part4 file.

You can unlock the Hammer tool for demolition after finishing room 107 [11]. Hotel_Renovator-FLT.part4.rar

Hotel Renovator is a simulation game where you restore and manage a run-down hotel. If you are getting a "Checksum error" specifically

This faster demolition tool becomes available after the "Old Friends" event [13]. Hotel_Renovator-FLT.part4.rar

Are you getting an when trying to extract the files?