Windows 10 2016 Ltsb Key - [Fix] Unable to Select Windows 10 Pro Edition During Clean Installation. Today we are going to address another annoying problem which many users are facing while installing Windows 10 operating system in their computers. Let's talk about clean installation of Windows 10.. Show All Changes Show Only Inserts Show Only Deletes View Latest. Aug 23, 2017 · Hi we are runnng Server 2012r2 and used to run windows 8.1 and everything works fine. Now we have pgraded to windows 10 start menu.