The system does not have "Internet Information Services (IIS) Manager"
solution
1.Opencontrol Panel, find and openprogram。
2. Find and openEnable or disable Windows functions in the program。
3. Find the IIS related functions in 'web management tools' under 'Internet Information Services', tick the previous check box, and click OK.
When the computer is connected to the Internet, Windows will automatically update the corresponding functions.It may take a long time, so users need to wait patiently!
When the dialog box =='Windows has completed the requested changes'== pops up, it means that the windows function has been updated.