Win10 security mode can not create a new account how to do

Win10 security mode can not create a new account how to do
friendship tips, in order to enter Windows10 security mode, you can refer to the method provided before the system city:
"Win10 system how To enter the Win7 security mode menu by pressing F8, the steps are as follows:
1. Click the right button of the Start button and select “Command Prompt (Administrator)”
2. Enter the following command and press Enter. Key (as shown below):
net user account name /add

3, if you want to promote the account to the administrator, you can then execute the following command (above):
net localgroup administrators account Name /add