Win8 does not have a user group to become an administrator

. There are no users and groups in my computer management.
Not a computer administrator
When some software is installed, it cannot be performed normally
How to become a computer administrator
Open the drive letter /windows/system32 -- find “cmd.exe”--right mouse button -- select --"run as administrator" Enter net localgroup administrators at the command prompt; your own Username “ /add Note: View your own username: net user Enter
Ask
net localgroup administrators “your own username” /add net user Enter is like this
Answers
Enter net localgroup administrators “ at the command prompt; your own username “ /add