Windows Activation Key Viewer is a portable option for viewing your Windows activation key. This little tool adheres to the K.I.S.S. principle; download, unzip, run, get your key. Windows Activation Key Viewer gives you the full key displayed from a simple UI. It also lists the O.S. architecture as well as the type. The key can be easily copied and pasted for use where needed. imilar: How to Clear Windows Product Key From the Registry How-To Retrieve an Embedded Windows Key How to Use Slmgr to View, Install, Uninstall, Activate, or Extend Your Windows License Retrieve Your Windows and Office Product Keys with These Free Apps How to Check if Your Windows License is Retail, OEM, or Volume