I live in the UK and have a problem activating Office 365.I bought my laptop December 2015, and had the same trouble them. If your still getting popups…its not properly activated. Microsoft Store) without physical disc, your product key is stored in your Microsoft online account or arrived in your email receipt. Need a copy of Outlook 2013 in order to activate product. It also says i have entered the product key too many times, but i entered it on this computer first so i don’t understand why. Has anyone else noticed that accounts that are on a monthly subscription deactivate often as Microsoft is trying to verify they are paying their monthly bill. The classical-only service will shut down on September 7th. Microsoft has really caused us a bunch of extra work. This generated a message that the key was not valid. The OSX will prompt you for a USB device/storage device to initially download all the drivers that needs to be installed in Windows 7 operating system.