Microsoft is offering Windows 10 as a free upgrade to existing licensed users of Windows 7 and Windows 8 and it could pose serious problems to those running short on storage space or using a metered internet Connection – if you are using Windows 7 locate the following updates: 3035583, 2952664, 3021917 and if you are using Windows 8 locate the following updates: 3035583, 2976978 – and than make a right-click one update after the other and select uninstall from the context menu