Hi, I have the activated windows below: Name: Windows(R), Professional edition Description: Windows(R) Operating System, VOLUME_MAK channel I need to update to win 8.1 pro without losing activation, I know the update won't show on Win store. I read few posts on this website but Is a bit confusing to me. too much information. also I have office 2013 pro plus activated with MTK 2.4.9. ( Would I lose the activation after the upgarde ) ? Can someone help me with few steps where to start? Thanks in advance.