Solved Correct steps win 8.1 clean install?l (8 pro upgrade key)

niklfc83

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Hi, I have recently purchased Windows 8 Pro Upgrade and for Christmas I will be getting my first SSD.

I want to do a clean install of 8.1 via USB, is this possible with the Windows 8 Pro Upgrade key? I have read through numerous tutorials and think I've got it right but just want some to clarify this will work.

Download the 8.1 ISO
Use the generic key to run the installer
Setup the PC
Open PC Settings
Change Product Key enter Win 8 Pro (upgrade) key and activate

Do I then need to do the reg edit and command prompt changes?
Regedit - HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Setup/OOBE
Command prompt - slmgr /rearm

Do I have this right or am I missing something?

Thanks
 
Last edited by a moderator:

My Computer

System One

  • OS
    Win 7
Hi, I have recently purchased Windows 8 Pro Upgrade and for Christmas I will be getting my first SSD.

I want to do a clean install of 8.1 via USB, is this possible with the Windows 8 Pro Upgrade key? I have read through numerous tutorials and think I've got it right but just want some to clarify this will work.

Download the 8.1 ISO
Use the generic key to run the installer
Setup the PC
Open PC Settings
Change Product Key enter Win 8 Pro (upgrade) key and activate

Do I then need to do the reg edit and command prompt changes?
Regedit - HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Setup/OOBE
Command prompt - slmgr /rearm

Do I have this right or am I missing something?

Thanks
I don't think you need to do anything once your clean installed to 8.1 pro and activated with your 8.1 pro Key your done, test your system and install your programs
 

My Computer

System One

  • OS
    Windows 8.1 Pro MC
    Computer type
    Laptop
    System Manufacturer/Model
    Asus G75VW / Z97 Pro
    CPU
    Intel Core i7-3610QM / I7-4790K
    Motherboard
    Z97 Pro
    Memory
    16 GB Hyundai HTM315156CFR8C-PB PC3-12800
    Graphics Card(s)
    nVIDIA GeForce GTX 670M (GF114M)
    Sound Card
    VIA 6.0.10.1600
    Screen Resolution
    1080
    Hard Drives
    Samsung 850 Pro 256, Samsung 850 Pro 1TB
    Internet Speed
    30 down 3 up
    Browser
    Explorer 11
    Antivirus
    NIS and Malwarebytes
Thanks for the reply, however my key is a Win 8 Pro Upgrade key not a win 8.1 key. I thought because it was an upgrade key I have to go through the steps in the op.
 

My Computer

System One

  • OS
    Win 7
This is one of the tutorials I was reffering to reading, but I'm slightly confused in the process because I want to install a clean install. I think I must be not getting something.
 

My Computer

System One

  • OS
    Win 7
...however my key is a Win 8 Pro Upgrade key not a win 8.1 key.

Do I then need to do the reg edit and command prompt changes?

No, because all retail copies of Windows 8.1 are "full" licenses instead of upgrade-only licenses.
 

My Computer

System One

  • OS
    Windows 10
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo G580
    CPU
    Intel Core i5-3230M
    Memory
    8 GB
    Graphics Card(s)
    Intel HD Graphics 4000
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender, standard user account
    Other Info
    UEFI firmware (BIOS) embedded Windows 8 product key.
Thanks for the reply, however my key is a Win 8 Pro Upgrade key not a win 8.1 key. I thought because it was an upgrade key I have to go through the steps in the op.

Well I clean installed from original win 7 HP to Win 8.1 pro, I used the $14.99 Win 8 pro key I got with my computer just before win 8 was released to the public. Check out this Guide its for a Asus notebook, however the procedure will work for any computer just adjust the driver installation to the correct drivers for your computer. And yes you may need some drivers that are update for 8.1 you need to check with your manufacture for any updated drivers for your specific computer have them downloaded and ready to install before you start. Seems that Wifi and Bluetooth, LAN a Video drivers need to be updated at least for me.
 

My Computer

System One

  • OS
    Windows 8.1 Pro MC
    Computer type
    Laptop
    System Manufacturer/Model
    Asus G75VW / Z97 Pro
    CPU
    Intel Core i7-3610QM / I7-4790K
    Motherboard
    Z97 Pro
    Memory
    16 GB Hyundai HTM315156CFR8C-PB PC3-12800
    Graphics Card(s)
    nVIDIA GeForce GTX 670M (GF114M)
    Sound Card
    VIA 6.0.10.1600
    Screen Resolution
    1080
    Hard Drives
    Samsung 850 Pro 256, Samsung 850 Pro 1TB
    Internet Speed
    30 down 3 up
    Browser
    Explorer 11
    Antivirus
    NIS and Malwarebytes
I did clean install of 8.1 using 8 pro upgrade key (it was an upgrade from 7 ultimate). Installed using generic 8.1 key and activated using my 8 pro key. I did not have to do the regedit step.

Note that when I did clean install of 8 (not 8.1) I did have to do the regedit step but for 8.1 I did not.

It will be obvious to you - if your key is accepted for the activation then you are done.
 

My Computer

System One

  • OS
    Windows 10 Pro Prieview x64
    Computer type
    Laptop
    System Manufacturer/Model
    MacBook Pro Core2Duo
    CPU
    T7600
    Memory
    3
    Graphics Card(s)
    ATI Radeon X1600
    Monitor(s) Displays
    Internal
    Screen Resolution
    1440 x 800
    Hard Drives
    40GB
    Keyboard
    Apple
    Mouse
    Apple
    Internet Speed
    Varies
    Browser
    Various
    Antivirus
    Defender
...so I just need to run the setup via usb and put my key in at the end?

"Download the 8.1 ISO
Use the generic key to run the installer
Setup the PC
Open PC Settings
Change Product Key enter Win 8 Pro (upgrade) key and activate"
 

My Computer

System One

  • OS
    Windows 10
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo G580
    CPU
    Intel Core i5-3230M
    Memory
    8 GB
    Graphics Card(s)
    Intel HD Graphics 4000
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender, standard user account
    Other Info
    UEFI firmware (BIOS) embedded Windows 8 product key.
Hi,

I want to do a clean install of 8.1 via USB, is this possible with the Windows 8 Pro Upgrade key? I have read through numerous tutorials and think I've got it right but just want some to clarify this will work.

Download the 8.1 ISO
Use the generic key to run the installer
Setup the PC
Open PC Settings
Change Product Key enter Win 8 Pro (upgrade) key and activate



Thanks

Use the generic key here:
UP8-1-002.PNG
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4
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