Dell XPS 18 (1820, Early 2014) - Manual (Page 26)

26 │ Synchronizing Your Computer using a Microsoft account
Synchronizing Your Computer
using a Microsoft account
When you sign-in to your computer using a Microsoft account, you
can automatically synchronize your settings, such as installed apps,
theme, wallpaper, internet browser history, application settings,
personal files, and so on, with other Windows 8/8.1 computers that
use the same Microsoft account.
1 Swipe from the right edge of the display to access Charms, then
click Settings → Change PC Settings→ Users→ Switch to a
Microsoft account to switch to your Microsoft account.
2 Click Settings → Change PC Settings→ Sync your settings to
configure synchronization options.