To change the brightness on a [link|https://www.memory4less.com/search?cat=&q=Dell+XPS+10|Dell XPS 10|new_window=true] Windows tablet:
* Swipe from the right edge to open the Action Center.
* Use the brightness slider to adjust brightness.
* If you have a physical keyboard, use the brightness control keys (usually with "Fn").
Alternatively, access brightness settings through the Windows Settings menu under "Display" in the "System" section.
These methods should help you easily adjust screen brightness to your preference.