source - http://vinaybalraj.blogspot.gr/p/clean-install-windows-81-with-windows-8.html
1-Install Windows 8.1 as a clean installation with this key Windows 8.1 Core/Home 334NH-RXG76-64THK-C7CKG-D3VPT
2-Install windows 8.1 preferably after formatting your drive.
3-Setup windows 8.1 completely and reach the desktop. Once desktop is reached, allow the computer to go online and fail itself on the activation front. Check the status on system properties dialogue box to check if activation has failed.
4- press the windows+R key and open the run command box. Type in “slui.exe 3” in the box and click on ok
5-Put in the original windows 8 key that you have and click on accept
source - ```js(http://h30499.www3.hp.com/t5/Notebook-HP-ProBook-ZBook/Windows-8-1-clean-install-with-Windows-8-OEM-key/m-p/6317887/highlight/true#M176296)
- You need to download the Windows 8.1 ISO
- After downloading the ISO, use YUMI usb creator and create a USB bootable with windows 8.1 ISO.
- Install windows 8.1 using the default installation keys. Your OEM key will not work**. This key is only for installation, but you will need your win8 OEM key for activation after installing windows.
- When everything is installed, go to windows activation or press win + pause (you might need to use a function key (fn)). Change your product key by entering your win8 OEM key.
source - http://dellwindowsreinstallationguide.com/download-microsoft-windows-and-office/download-microsoft-windows/download-windows-8-1-retail-and-oem-iso/ Assuming you can download the .iso on a Windows 7, 8.0, 8.1 or 10 computer to evaluate Windows 8.1 Retail editions you may bypass the enter your product key screen, using a generic key to install Windows 8.1 of your desired Edition and architecture. These keys allow for installation but not product activation:
Windows 8.1=334NH-RXG76-64THK-C7CKG-D3VPT Windows 8.1N=6NPQ8-PK64X-W4WMM-MF84V-RGB89 Windows 8.1 Single Language=Y9NXP-XT8MV-PT9TG-97CT3-9D6TC Windows 8.1 Professional=XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB Windows 8.1 Professional N=JRBBN-4Q997-H4RM2-H3B7W-Q68KC Windows 8.1 Professional with Media Center=GBFNG-2X3TC-8R27F-RMKYB-JK7QT
Windows Product Key Viewer (Can save and restore activation in BIOS/UEFI)
http://www.softpedia.com/get/System/System-Info/Windows-8-Product-Key-Viewer.shtml
Advanced Tokens Manager (backup of all activation data stored on the computer)
http://joshcellsoftwares.com/products/advancedtokensmanager/
source - http://tipsandtricksforum.com/thread-163.html
find drivers : Dell - http://www.dell.com/support/home/us/en/19/Products/?app=drivers HP - http://support.hp.com/us-en/drivers Lenovo - http://support.lenovo.com/us/en/products?tabName=Downloads Acer - http://us.acer.com/ac/en/US/content/drivers Toshiba - http://support.toshiba.com/ Asus - http://support.asus.com/Download/Options.aspx?SLanguage=en&type=1
Save yourself from your OEM’s bad decisions with a clean install of Windows 8.1 http://arstechnica.com/gadgets/2015/02/19/save-yourself-from-your-oems-bad-decisions-with-a-clean-install-of-windows-8-1/
Why Windows 8 and 8.1 defragment your SSD and how you can avoid this http://www.outsidethebox.ms/why-windows-8-defragments-your-ssd-and-how-you-can-avoid-this/
Extend or Reset Windows Trial Period We can use it 3 times on Windows 8 or 8.1 to get maximum of 270 days trial. In the Command Prompt window type jsslmgr -rearm http://www.trickyways.com/2014/06/reset-windows-trial-period-win-7-8-8.1/
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