Clean up Windows 10 PC without OS reinstall To clean up your Windows 10 machine you need to use all known methods to increase the PC performance. In case you will skip one or several steps, it is possible that you won’t get rid of the performance problems.
Owners of Windows 7 and 8.1 will be able to but can they keep using that copy of Windows 10 if they need to reinstall Windows or replace their PC? Reinstalling an upgraded version of Windows 10 on the same machine will be possible without having to buy a new copy of Windows,. People who have upgraded to Windows 10. There will be no need to purchase a new copy of Windows 10 provided it is being installed on the same Windows 7 or 8.1 machine that was upgraded to Windows 10. The installed version of Windows 10, Home or Pro, will be the same as the version they upgraded to.
When installing Windows 10, users will be able to skip the requirement to enter a product key and Windows 10 will activate automatically online. However, people running an upgraded version of Windows 10 may need to buy a new copy of Windows 10 if they switch to a new machine or 'significantly upgrade the device' - which Microsoft counts as replacing the motherboard.
Ian Moulster, Windows product manager, said: 'My understanding is it's licensed to the device and not to you, so it's specific to the device and you wouldn't be able to use it elsewhere.' A post on that only those who have upgraded from OEM versions of Windows 7 and 8 will need to buy a new Windows 10 license after replacing a computer's motherboard. Those upgrading from a retail version of Windows 7 or 8, the post says, would be able to transfer their copy of Windows 10 to a new machine or PC with a new motherboard. Most owners of Windows 7, 8 and 8.1 operating systems will see a Windows icon in their taskbar that will allow them to 'reserve' their free upgrade to Windows 10. The 3GB file can be downloaded from 29th July.