It is known that you can and will be able to upgrade Windows 10 Home to Windows 10 Pro using a product key from a previous version of Windows 7, 8 or 8.1 (Pro / Ultimate), which can save you $50 to $100 in OEM upgrade fees if you buy a new PC with Windows 10 Home pre-installed.
So if you have an older system like Windows Vista or Windows XP that is not included in the offer, all you have to do is buy a cheap Windows 7 license that still allows you to free upgrades to Windows 10.
We searched the market and found the following site.
In addition to the already cheap licenses for instant installation of Windows 10, on your PC, also offers incredible prices for OEM and Retail licenses of older operating systems that have the right to upgrade to Windows 10:
Some of the prices:
Microsoft Window 10 Home (OEM / Retail) € 7.90
Microsoft Window 10 Professional (OEM / Retail) € 6.40
Microsoft Windows 8.1 Professional (OEM / Retail) € 5.69
Microsoft Windows 7 Ultimate (OEM / Retail) € 9.99
As you will see in addition to cheap Microsoft operating systems you will also find cheap licenses for other software (Kaspersky, new and old Office and others)
Before it can be seen that Microsoft continues to bid, through iGuRu.gr we reported that we do not believe Microsoft would stop free distribution of the Window 10 operating system.
Note that we purchased a license for Windows 7 Ultimate and it worked flawlessly. Immediately after installing and upgrading the system to the latest updates, we were able to upgrade to Windows 10 Pro without any problems.
This publication was updated:
To add Microsoft's decision to close the back door that allowed free upgrades to those who use technologies assistance, without any verification. So the company it now says on the upgrade page that "upgrade offer ends December 31, 2017."
I would like to ask if I understand well that if I buy and 7 will still have the free upgrade active?
The site mentioned is reliable?
and something else I'm working with broken windows, if I buy them legally I will install them from above as I download them from Microsoft ??
Thanks
Personally I have installed 2 windows and the keys work without any problems. The broken windows would not trust them with anything. I do not know if 7 keys can still be upgraded