Win10 preview version can be upgraded to any version without the old serial number

The official version of Windows 10 will be released on July 29th. This time is not close, it is not far away, but everyone is very concerned, especially for the free upgrade policy. Recently, Gabriel Aul, the head of the Windows Insider test project, answered more questions on Twitter.

We already know that all Windows 7 and Windows 8.1 users can upgrade to Windows 10 for free within 1 year after the official release. Genuine users can enjoy the full experience. No more to pay. Piracy users will have various watermarks and pop-up prompts, but will still get basic system updates.

A netizen asked, when he upgraded the Windows 10 preview version, the previous Windows 8 was gone, and there is still a chance to upgrade to the official version. The answer given by Gabe is ok, and once you upgrade from the preview to the official version, everything is done.

This answer is a bit ambiguous. Some media interpret his meaning as Windows 10 Preview and can ignore the genuine serial number, which can be directly corrected, but I reserve my opinion.

But if you upgrade from genuine Windows 7/8.1 to Windows 10 preview, then the future will be more certain, an activation service in the system will be retained after the upgrade, no need to use the original genuine serial number.

Although this means that genuine users don't need to use this key in the future, Gabe still recommends that it be better to keep it up.

In addition to this, you will be upgraded to Windows 10 for free during the welfare period of this year. In the future, you will need to reload at any time, and there is no need to pay extra fees. However, I don't know if Microsoft will have any other policies on the new installation.