I go to download the.net framework 3.5 according to the figure 1 sp 1 but after downloading the file to open it, then I will according to the online method to the control panel, but it seems he had 3.5, is that no matter what I want to install the software installed, is 1628, my classmate is Windows 10, 64, but installation does not appear problem, I really quick fry, the ball ball is the great god can help me solve
(for the virtual simulation experiment why!
) 
CodePudding user response:
The information you provide is not complete,The key is not guy framework, but what's that you install the software?
Direct call that software company is not good?