Windows 8.1 clean install with Windows 8 OEM key

Hello! I have a HP Probook 450 with Windows 8 preinstalled. I want to upgrade to Win 8.1, but I want to perform a clean install. Which means:  inserting the Win 8.1 DVD (I've downloaded the .iso from the internet.), formatting the disk, and at last, Windows 8.1 installation.
Will this work? I've read that my Win 8 OEM key, which is hardcoded in the BIOS, will not allow me to install Win 8.1. The HP forum users say here and here that it is possible to perform Win 8 clean install. How is with Win 8.1?
This question was solved.
View Solution.

I am sorry, but to get your issue more exposure I would suggest posting it in the commercial forums since this is a commercial product. You can do this at http://h30499.www3.hp.com/hpeb/
HP ProBook 450 G0 Notebook PC Support:
http://h20566.www2.hp.com/portal/site/hpsc/public/psi/home/?cc=us&lang=en&sp4ts.oid=5359405&task=&ac...
TwoPointOh
I work on behalf of HP
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    but if there's a significant hardware change you can ask adobe support for an activation count reset. contact adobe support by clicking here and, when available, click 'still need help', https://helpx.adobe.com/contact.html

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