Bioshock - Activation Revoke Tool

2k Games is now offering a Bioshock Activation Revoke Tool:

For those of you who would like to revoke one of your activation credits before uninstalling BioShock from your PC, the BioShock Revoke Tool is now available and will help you do just that!

Below is a quick FAQ to help you decide if you need the revoke tool, and how to use it. You can also download the full instruction set included in the ReadMe for instructions on how to properly use the BioShock Revoke Tool.