I wish to deactivate just in case I will want install on another computer
in the future.<<
Won’t make any difference one way or another. ‘De-activation’ in CS1 only removes the code from your machine – it doesn’t tell Adobe you have done so.
But please note, if you have upgraded to CS2 (as opposed to buying the full product with new license), your CS1 License is no longer valid. You can’t legally run CS1 on one machine and the upgrade to CS2 on another.