- Download the latest version of SolveXL from this website
- Install SolveXL and launch Microsoft Excel®
- Under Excel 2003 click on the "About" button in SolveXL's toolbar

or under Excel 2007 go to the Add-Ins menu and then click on the "About" button
- Obtain your unique hardware identifier (e.g., $44DA3430)

- Complete the on-line registration form
- Activate your copy of SolveXL by entering the serial number you received by email as shown below



