A method and system for software license management that allows a user to easily move a software license from one computer to another and the software vendor to control unlicensed use. A server maintains user account information including computers licensed to run the software and computers no longer licensed to run the software. A computer is enabled to run the software in an initialization process, and re-enabled by the server from time to time in an automatic re-enable process. If a non-enabled computer attempts to run the software, the user is given a choice to acquire a new license for the computer, move the license from an existing licensed computer to the current computer, or exit. If a new license is bought or an existing license moved, the server updates the information of enabled and no-longer-enabled computers accordingly.