Note: If you cannot access this section, it's likely you do not have administrator rights to the computer.

Click the + next to Local Users and Groups or double-click it.

Click Manage, which should open the Computer Management window, as shown below.

From the Windows desktop right-click My Computer.

Select the Computer administrator option, then click the Change Account Type button.

Click the Change the account type option.

Click the user account name you want to change to an administrator.

Click OK on any additional windows to close out the user account settings.

Click the OK button to save the changes.

On the Group Membership tab, select the Administrator group to set the user account to an administrator account.

Click the Properties option in the user account window.

On the Users tab, find the user account you want to change under the Users for this computer section.

Click User Accounts again, then the Manage User Accounts option.

Click the circle next to Administrator ( A) and then click the Change Account Type button ( B).

Once you've selected a user, click Change the account type.

Select the account for which you'd like to grant administrative rights.

Under the User Accounts section, click Change account type.

Press the Windows key, type Control Panel, and then press Enter.

Windows 10 cannot add user