How do you know if halo combat evolved is compatible with your computer?

buy it online eg. amazon

Only way is to hack it:1. From Halo, select Profiles and create a new profile 2. From Windows, locate the 'checkpoints' directory for the newly created profile. You will find this in the My Documents...

Yes, it is.

It should say so on the cover of the box the CD comes in or the cover of the CD.

It should say on the cover of the game box/case.