If you are a Windows 7 user, you are in trouble: although Windows 10’s last free major upgrade vulnerability expired at the end of 2017, Microsoft will stop supporting the operating system on January 14, 2020. For consumers, you need to purchase a Windows 10 product key.
What to buy
In addition to a major component of some versions of Windows 7, the transition between earlier versions of the Microsoft operating system and the new version of Windows 10 should be relatively easy. Basically, if you have a “Pro” version of Windows, you will be migrating to the “Professional” version of Windows 10.
In addition, Microsoft’s Windows 10 FAQ is a good reference for explaining what happens to existing applications on your PC, including (expired) anti-malware subscriptions and system hardware requirements. The related documentation is the minimum requirement for a “highly secure” Windows 10 device running Windows 2018 update – usually only for enterprise users, but may also affect the secure boot of features in the consumer version.
In addition, this is also very important: please make sure that you are running a genuine copy of genuine Windows, sorry, Microsoft will not upgrade pirates for free.
You can go to Microsoft shop like amazon,eBay etc. online shop to buy windows 10 product key. But i think it’s very expensive. I recommend you a site named CDKEY365 to buy cheap windows 10 key.
Windows 10 prep work
Getting started with Windows 10 has never been so difficult, but Microsoft has made it easier. Windows 7 users must be running Service Pack 1 to enable updates. Once, Windows 8 users must upgrade to Windows 8.1 before they can upgrade to Windows 10. The Microsoft representative confirmed that this is no longer the case and Windows 8 will work.
I have negotiated several upgrades without losing files. However, for security reasons, back up all important documents, photos, videos, and anything you think is important to some kind of external storage device. “Applications, files and settings will be migrated as part of the upgrade, but some applications or settings may not be migrated,” Microsoft said vaguely.
If you have already done this, you can start. Find a small Windows icon in the lower right corner of the taskbar and click it to launch the Windows 10 subscription application, also known as “Get Windows 10” or “GWX.” You may still be familiar with it because the app keeps reminding you to download Windows 10.
How to “downgrade” from Windows 10 and go back to Windows 7 and 8.1
Congratulations, you’ve upgraded to Windows 10. But what if you want to go back? If you’ve upgraded to Windows 10, then changed your mind, there should still be an escape hatch. (We can’t guarantee this, especially as Microsoft marches through continual Windows 10 updates.) If you wish, you can revert back from Windows 10 to your older operating system within a 31-day window. (Once that 31 days expires, though, the upgrade is permanent!)
To downgrade to Windows 8.1 or Windows 7, open the Settings menu, then Update & Security > Recovery. You’ll see a “Go back to…” option for your prior operating system. If those 31 days have expired, however, you’ll simply see options to “Reset this PC” or “Advanced Startup”—neither of which will revert the PC to the earlier operating system.
It’s a pain, but many feel that even if you have no plans to upgrade to Windows 10, you may as well snag the free upgrade, then revert back. Before you revert, though, play it safe: Grab a copy of your Windows 10 product key. Windows 10 should automatically give you a “digital entitlement” to your license simply by upgrading; we’re just playing it safe in case Windows ever asks for it if you decide to upgrade again.