If you are unable to install .NET Framework 3.5 and 4.0 during the installation of Print Shop 4.0 it can be downloaded from the Microsoft website. 
Use the following URL for the download of .NET Framework 3.5 and 4.0: 

• .net 3.5 for Windows 7 and below

• .net Framework 4.0 for Windows 7 and below (Web install)

To enable .NET Framework 3.5 and 4.0  Windows 8, 8.1 and 10 you need to do the following.

  1. Get to Add and Remove Programs Control Panel
  2. Click Turn Windows feature on or off on the left side
  3. Click the box next to the .net Framework you want installed and hit ok