Typically, when a file name ends in .7z but is followed by a term like "piece" or a number (e.g., .001 ), it means the game was too large for a single download and has been split into smaller chunks. What to do with this file:
If this is part of a split archive, you will need all the other "pieces" (e.g., ThirdCrisis-v0.48.3-windows.7z.001 , .002 , etc.) in the same folder for it to extract correctly. ThirdCrisis-v0.48.3-windows.7z
Version v0.48.3 is a specific build. If you are trying to update an existing game, make sure your save files are backed up, as experimental builds can sometimes break older saves. Are you having trouble extracting the files, or Typically, when a file name ends in