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 installing some software, it is not working properly
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How to become a computer administrator

Open the drive letter/windows/system32 -- find “cmd.exe”--right mouse button -- select --"run as administrator" At the command prompt, type net localgroup administrators “your own username” /add Note: View your own username: net user Enter

Ask

net localgroup administrators “your own username” /add net user Is this the way?

Answer

Enter net localgroup administrators “ at the command prompt; your own username” /add