To launch any Windows program with elevated (admin) privileges, hold Control+Shift
keys, then double-click the program's icon, even on the taskbar.
Alternatively, hit the Windows
key, type the program name, e.g. cmd then type Control+Shift+Enter to launch the program with elevated (admin) privileges. You might have to enter admin credentials in the UAC popup.
See this LifeHacker article
for more details.