halo 1 product key for mac os x?

[Tom]

can any1 give me a 16 digit product key for halo on my mac os x so the game i bought will work

 

[check_himu]

If you bought it legally, then you should have a key somewhere on the box or given separately.
If you have downloaded it illegally off the torrents then search for a crack.
Or find serials on http://serials.ws