What version of .NET do I need for Checkbox 4.6, 4.7 or 5.x?
For Checkbox to run correctly you will need to configure your Application Pool to run under different versions of .NET depending on your version number. Please use the following guide for reference:
Checkbox 5.x - .NET 4.0 - Mode: Integrated
Checkbox 4.7 - . NET 4.0 Installed - Application Pool Set to run as .NET 2.0 Classic mode
Checkbox 4.6 - .NET 2.0 Classic Mode