How to get administrator privileges in windows 10
http://www.xitongcheng.com/jiaocheng/win10_article_11454.html
gpedit.msc
Click to open the "Computer Configuration" option, then find the "Windows Settings" option, then find and open the "Security Settings" option from the "Windows Settings", then open the "Local Policies" and finally find and open the "Security Options".
Find "Account: Admin Status", you can see that the status is "Disabled", what we need is to turn it on.