Do you want to install or uninstall game program, Halo: Combat Evolved? Bent on humankind’s extermination, a powerful fellowship of alien races known as the Covenant is wiping out the Earth’s fledgling interstellar empire. You and the other surviving defenders of a devastated colony-world make a desperate attempt to lure the alien fleet away from Earth. Shot down and marooned on the ancient ring-world Halo, you begin a guerrilla war against the Covenant. Fight for humanity against an alien onslaught as you race to uncover the mysteries of Halo.
Step-by-step Instructions: how to uninstall Halo: Combat Evolved from Your Computer
- Click on the Start button in the left hand corner of your desktop, and then click Control Panel. And you will see Control Panel as follow.
- Click Uninstall a Program, and then you would see a list of currently installed programs.
- Scroll down the list until you find Halo: Combat Evolved, highlight it and then click Uninstall on the top of the menu. Windows will automatic uninstall Halo: Combat Evolved in few seconds.

To completely remove Halo, you should further remove its registry entries in the following steps.
- Click Start on desktop – click run
- Type in regedit and press enter to run Register Editor
- Go to HKEY_LOCAL_MACHINE -> SOFTWARE and find out Halo folder
- Delete the related folder and close Registry Editor
Recommended method to uninstall Halo: Combat Evolved
The best way to uninstall Halo: Combat Evolved is to download and run a professional game uninstall tool as such kind of products helps to greatly detect and remove all entries of the Super Mario 3: Mario Forever from users’computer. And Perfect Uninstaller is one that will do the job perfectly for you. To uninstall Halo: Combat Evolved completely, perform the below steps:
- Download and install Perfect Uninstaller on your computer.
- Locate and highlight the Halo: Combat Evolved and select “Uninstall” to begin the game removal process.
- Click “Next” to proceed when the below steps appear.
- Perfect Uninstaller is scanning all related Halo entries on your computer and then click “Next”.
- Click “Yes” to uninstall Halo: Combat Evolved from your computer.


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I have a question about Halo: Combat Evolved for PC. It’s about un-installing? I am considering purchasing Halo for PC. I want to install it on my PC. The thing is that next year I’ll be getting a new computer. I want to know if once I insert the CD to uninstall the game, will it give me the CD key back so I can install the game on my new computer without getting the “Invalid CD Key” message. Can you help?
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