Log in to the Customer Service portal , delete the incorrect key using the 'x' button, and create a new one.
A verified activation key is provided by Spreadsheet Tools (the developer) after a license is purchased. Here is the standard process: xlcompare activation key verified
Open the application and navigate to the 'Help' or 'About' section to find the 'Enter Activation Key' prompt. Log in to the Customer Service portal ,
Find the activation key for your old PC and click the to delete it. This restores the key for use on a new device. How to activate xlCompare on your computer xlcompare activation key verified
Once activated, XLCompare only re-verifies the key during major updates (e.g., v10 to v11). Minor patches do not require re-activation.