Close all instances of Microsoft Excel.
Run RadiusCore.msi
.
Proceed with and complete the RadiusCore setup, selecting Next where required.
Open Microsoft Excel. If the Radius tab appears then installation is complete!
If you cannot see Radius in the Excel Ribbon please complete steps 5-8.
Select `File ➔ Options ➔ Add-ins ➔ Manage Excel Add-ins ➔ Go.
In the list, untick RadiusCore, press Ok, then Ok on the next menu.
If RadiusCore is not present in this list, follow these steps:
press Browse.
Navigate to C:\Users\%USERNAME%\AppData\Local\RadiusCore
.
AppData is a hidden folder, you will need to enable hidden items to access it (View➔Hidden Items).
Select RadiusCore.xlam and press Open.