Change Windows 10 from volume license (VLK Pro/Enterprise key) to use the key machines built-in key

Felt a bit stupid today (again). Have been struggling with some Microsoft Surface Go devices. Love the device but, when they are shipped with Windows 10 1803 version you will use some time updating them. So my brilliant idea was to reinstall them clean with the latest updated ISO from a stick. Smart right?, jupp except that I download the business VLK version.

When was Windows started?

How long have the Server of PC been running? Sometimes you need to figure when the OS was started. As always there are different was of getting this information. Some ways are quick and easy when you are sitting with the OS GUI in front of you, but other times you might want to use it in a script or get it from the command line. Here are a selection of methods I use.

GUI

You can checkout network adapter duration, but you will easier find the "Task Manager - Performance - Up Time"