Before you can use GASolver it must be installed into MS-Windows.
To Install GASolver into MS-Windows:
Run the InstallGASolver.msi file downloaded from www.yearstretch.com.
Follow the onscreen instructions.
Click Start | (All) Programs | Yearstretch GASolver | GASolver to start the program.
Following installation into the MS-Windows desktop and menu system, GASolver may also be permanently installed into Excel as an add-on.
Security notice: If your version of Excel shows a message similar to this:
when you are trying to load GASolver, then you will need to change the Excel macro security settings.
See Also: Uninstall from Excel, Uninstall from your system