To find your Windows username, follow the instructions
below. Though this article uses Windows 10, the instructions
apply to older versions of Windows as well.
1. Hold
down the Ctrl and Alt keys on your keyboard and press
the Delete key once.
You
can also search
for "Task Manager" in the Start menu.
2.
Click on "Task Manager."
3. In the new menu, select the "Users"
tab. Your username will be listed here.