Windows 10: About activating windows after reinstalling windows

i recently reset my pc and downgrade to the past windows 10 version. After that I'm seen a message "Activate Windows Go to Settings to activate Windows" then i went to the activation settings and click the troubleshoot button. after that I'm getting a message "Troubleshooting has completed We can't activate your copy of Windows. Make sure you're connected to the internet and try again. If you're connected to the internet and continue seeing this problem, contact your system administrator for more information" What should i do now? Pls help me..

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Windows 7 not genuine problem

It seems like that's an OEM windows copy, it will do that the every time you reinstall the OS. If you have the key, next time you see the "not genuine windows copy" click it and choose to activate by phone, everything else is pretty straight forward as it explains step-by-step. If it doesn't work, then its highly likely that you got a Pirate copy.

 

windows xp installation and dual core am

could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx

 

Reinstall Windows?

You don't need to reinstall windows. Go to the device manager and remove uninstall the processor and motherboard drivers listed. When you start the system back up you should be able to re-install the new ones. I just changed my mobo/processor Friday, everything is fine.

BTW I have seen some reviews that state practically no difference in using more than 2gb of ram.