Hi. My name is***** you for your question and the opportunity to assist.
In general, it is just fine to upgrade Windows 7 or 8.1 to Windows 10.
If you have a computer that originally came with Windows XP or Vista and was upgraded to Windows 7
it would be wise to check on the manufacturer's website for compatibility as there may be hardware
issues. Drivers are something that cost no money and can be downloaded for free from the
manufacturer's website. I don't recommend optimizer programs as they can cause more problems than they cure. There are plenty of free programs out there that do the same thing and actually work.
On my machines I use CCleaner to optimize the machine:
and Malwarebytes Anti-malware
and Avast Anti-virus from here: https://www.avast.com/en-us/index
All of these programs are free.
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Hi. I'm not sure what you clicked on but Microsoft would never put up some $20 sales pitch.
To determine which version of Windows you have, hold down the Windows logo key (just to the left of the Alt key) and
press X. From the menu that opens select System. It'll tell you at the top of the page what version of Windows
is installed. This is the official upgrade site: https://www.microsoft.com/en-us/software-download/windows10
When you're ready click Upgrade Now. Unplug any external storage devices from the computer first.