EVOPOS is a .NET application and still requires .NET Framework 2.0/3.5, you can easily enable this through "Turn Windows features off or on".
This effects Windows 10/11 machines as they do not have .NET 2.0/3.5 enabled by default.
Guide
- Press the Windows Key on your keyboard
- Type features
- You should see an option for Windows Features:
- Now tick the first option for .NET Framework 3.5 and click OK:
- Choose the option to download through Windows Update
- Continue until installed.
- You will now be able to install EVOPOS