Windows 10: How Do I Re-Activate Windows 8.1?

There's a notification on my HP 250 laptop that says my WINDOWS 8.1 has expired. It says I should enter the product key in order to reactivate it. I no longer have that. So, my question is, there a black hat tweak, I can use to reactivate it back for free?

:)

 

Unlocked Realtek HD Audio Drivers Windows 7 & 8 (With Dolby Digital Live and DTS Interactive)

DTS supported natively by Windows 8/8.1 and it should work on windows 10 too just DDL require to unlock your driver .

 

Survey Reveals Companies' Early Windows 8 Reactions and Plans

Bull fucking shit.

 

Installing windows off of a USB stick

Step By Step from vista:
From admin cmd prompt

1. diskpart
1a. list disk
2. select disk 1 (replace 1 with your usb drive)
3. clean
4. create partition primary
5. select partition 1 (replace 1 with your usb drive)
6. active
7. format fs=fat32
8. assign
9. exit

Copy Windows Vista's DVD ROM content to the Flash Drive

xcopy d:\*.* /s/e/f e:\ (d being your vista cd and e being your usb stick)

And that's it, boot off your usb disk