Windows 10 is the only Free operating system of Microsoft, you can upgrade your PC to Windows 10 for free, but this opportunity is only for Windows 7/8.1/8 users.
I suggest you take this chance upgrade to Windows 10, because Microsoft has closed a lot of free channels. Assistive Technologies has been closed.
Windows 10 ISO Download
Upgrade to Windows 10 with Upgrade Assistant
Click to Download Windows 10 Upgrade Assistant (6.3MB).
Double-click and run Windows 10 Upgrade Assistant. Upgrade Assistant will check your computer, download Windows 10 and install Windows 10, In fact, you just need to follow the steps , it’s very easy.
The whole process will take an hour, maybe two hours, depends on your internet speed and computer configuration.
Downloading Windows 10 (3.4GB 5-30 minutes)
Installing Windows 10, your PC will restart several times.
Click Restart now.
Setting up your account, A local account or Microsoft account (Recommend)
I suggest you use the default settings.
My dear Windows 10
Upgrade from activated Windows 7 or 8.1, Windows 10 will be activated for free. No Product Key Needed.
If your login with a Microsoft account, this PC will be marked as “Windows 10 Totally Free” by Microsoft.
That means even if you format your disk to reinstall Windows 10, you just need to login your Microsoft account, Windows 10 Will be activated .
Delete windows.old and other files
After upgraded, there will be at least 4 GB useless data, including windows.old. And you can’t Delete it by press delete or Right-Click delete.
BTW, Don’t Do This within 10 days in case you want to uninstall Windows 10.
Go to This PC, Right-Click Local Disk C > Properties > Disk Cleanup > Cleanup System Files > OK.
Repair / Reinstall Windows 10
Media creation tool can be used to install, reinstall, upgrade or repair Microsoft Windows 10.
You can use media creation tool to repair your windows 10 without Losing apps & data.
Click to Download Media creation tool (17.8 MB)
Open Media Creation Tool and Run it.
Select Upgrade this PC now.
Installing Windows 10 = Repair Windows 10
Windows 10 Activation and Product Key
Upgrade from activated Windows 7/8.1/8, your Windows 10 will be activated, no Product Key needed.
Windows XP and Vista users have to pay $119.99 download and install Windows 10 on Microsoft Store
Uninstall Windows 10
If you don’t like Windows 10 after your Upgrade from Windows 7 or Windows 8.1 (within 10 days). And you didn’t delete windows.old. you can go back to Windows 8.1 or Windows 7. Follow this:
Open Settings > Update & security > Recovery
Or type Recovery in taskbar
Go back to Windows 8.1 or Go back to Windows 7 > Get started
If you can’t find it, that means uninstall is not an option.
If you have a product key for your previous version of Windows. You have to Download Windows 7 and Install it.
Windows 8.1/8 ? Trust me, Windows 10 is better, much more better.