It can be regarded as both. It is an update on Windows 8.0 and could be seen as an upgrade on Windows 7 or older systems.
There should be an update in the windows app store. When I did it the update was in the first panel
If you have windows 7 you can upgrade to it. If you have windows XP you will need to do a complete install.
the windows anytime upgrade tool
run windows update and do a manual upgrade and under hardware upgrades there will be basic upgrades for each hardware device to add to your basic windows updates
Note: The best to upgrade windows server 2003 on line. when you connect internet. open internet explorer go tool menu select windows update. or you can select automatically update go to control pannel open windows icon select time and day.
Try reopening the store a couple times and see if you can find the update for 8.1 then for your notepad with Windows 8.
Windows XP Professional is an upgrade to Windows 2000 Professional. Windows Server 2003 is an upgrade to Windows 2000 Server.
For update you need a valid version of the windows. You can't install not upgrade on the top of not-genuine OS.
It depends on what kind of hardware you have. There is no direct upgrade from 98 to Vista. You'll have to basically format the drive and do a clean installation.
Windows 95 to Windows 98, and then to Windows XP
Of course you can upgrade it as long as there is an update. But why upgrade it?
I tried it once but it failed to copy some os files.You should try it ,it may work for you if not upgrade to windows 2000 first. After you upgrade to windows 2000 then you can probably upgrade to windows xp from 2000