Visit the official Absolute website and download either Mega Hack v7/v8 (paid, highly stable) or Mega Hack v5 (free version).

I can provide step-by-step installation links and troubleshooting tailored to your setup. Share public link

If you search for these downloads, you will likely encounter two methods: replacing your CCGameManager.dat file or downloading a "hacked" version of the game client (often an .exe file). Both come with severe downsides:

Let me know and I can find the right guide for you.

Copy CCLocalLevels.dat and CCGameManager.dat to a safe folder.