Getting your Windows 8/8.1 serial number

[leeshor]

Many new Windows 8.1 tablets are being shipped my the manufacturers with no serial number on the device. (even some that were shipped with 8.0). Microsoft does not require the OEMs to provide the serial number with the device.

This article explains the issue and how to recover and print your serial number. (activation key)

The Windows 8 activation-key problem | PCWorld