Ensure the device is connected to a power source during the software update.
Using the Mobile Broadband connection to download an update impacts your data usage allowance and may result in additional charges. It's recommended to utilize a Wi-Fi connection, if available.
From the right edge of the screen, swipe left to display the charms menu.
If using a mouse, move the pointer to the upper or lower-right corner of the Start screen then move up/down.
Alternatively, press the Windows+C keys ( +C) located on the physical keyboard (if available).
Tap or click Settings.
Tap or click Change PC settings (located in the lower-right).
From the left-pane, tap or click Update and recovery.
If not available, tap or click the Left arrow icon (located in the upper-left) as necessary until "PC settings" appears in the upper-left.
If applicable, ensure that "Windows Update" is selected from the left pane then tap or click Check now.
If an update is available, tap or click View details.
Select (check) the desired update(s) then tap or click Install.