Guys Windows 10 Out in 29 July 2015>>>
Now you can upgrade your current windows into latest windows 10. If ou have reserved your windows 10 and you have not received notification from microsoft then wait you will receive notification shortly. If you have not Reserve Windows 10 Upgrade then scroll down to know how you can reserve your free copy of windows 10.
Recommended: How to Download Windows 10 ISO File Free in DVD or Flash Drive
How to Upgrade Windows 7, 8.1 to Windows 10
Yes, How you can upgrade your windows OS into latest Windows 10 OS. Check windows icon in tray area.
If your reservation is confirmed, then you see a message Confirmed. And your windows 10 will start downloading in background when you connect to Internet. Please make sure 2.7 GB download required for windows 10. 
You can view your download progress in your system path: Control Panel\System and Security\Windows Update
When Windows 10 download complete, Install updates and restart your system.
Now your system running on Windows 10 OS.
How to Reserve Free Copy of Windows 10
The upgrade notification is only displayed in the current windows operating system’s system tray area. If you don’t see this windows icon, check microsoft Q&A page for more info.
- Click “Reserve your free upgrade” in the app window.
- Enter your email if you want a confirmation of this reservation.
- All set. There’s no obligation and you can cancel your reservation at any time.
If your Windows 10 Upgrade Reservation is not confirmed yet. please wait for few days or week. you will surely receive your free copy of windows 10.
Or you can download windows 10 ISO file and save it on DVD or flash drive. Read Here
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