In Windows10, when we install certain software, we will prompt "Your PC's app needs the following Windows features:. NET Framework 3.5 (including. NET 2.0 and 3.0)", due to network reasons, the download is particularly slow, So we can use WINDOWS10 's ISO image for offline installation net3.5.
First, right-click on the Win10 ISO file and select "Load". The virtual CD "DVD drive (g)" is displayed in "This Computer" (Note: "G" displays other letters depending on your drive letter, please remember this letter, which is used later in the command line),
Right-click on the Win10 Start menu button and select "Command Prompt (Administrator)" To open a command prompt:
Enter the following command:
Press ENTER after Dism.exe/online/enable-feature/featurename:netfx3/source:g:\sources\sxs (note "G" Ah, is your DVD drive letter, do not be wrong)
If there is no error, wait for the operation to complete. After that, turn on the computer, tap computer-Uninstall or change the program
Click on the right of the Enable or disable Windows feature, put the net3.5 hook, wait to determine
Windows 10 offline install. NET 3.5 with local mirror