How to enter a Windows 8 Digital Product Key (DPK)

How to enter a Windows 8 Digital Product Key (DPK)
Windows 8 requires a Digital Product Key (DPK) to activate.
This document describes how to enter a Windows 8 DPK.
Access the Charms Bar, by one of the following methods:
 Systems with mouse attached: Drag mouse pointer to bottom right corner.
 Systems with touch capability: At the right edge, swipe finger to the left.
Figure 1: Start with Charms Bar – Settings selected
Select Settings on Charms Bar
The following appears:
Figure 2: Start with Settings menu
Select Change PC Settings on Settings.
The following appears:
Figure 3: PC Settings – Activate Windows
Enter the Digital Product Key (DPK).
Lenovo Support document: SF12-D0221