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Windows 10 - Upgrade from Windows 8.1
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222 on YTPak
Published on 02 Oct 2014
| over 2 years ago
A quick video showing you how to upgrade Windows 8.1 to Windows 10 Technical Preview (Build 9841) in realtime.
First of all, download the Windows 10 Technical Preview from
Copy it to DVD or USB using Windows 7 USB/DVD Download tool from
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