You can also use tools like WinRAR or 7-Zip by right-clicking and selecting "Extract Here" .
Once extracted, look for an executable file (often FrozenFlame.exe or similar) inside the new folder to launch the game. Frozen.Flame.Early.Access.zip
Right-click the folder and select Extract All . Choose a destination folder (like your Desktop) and click Extract . You can also use tools like WinRAR or