How do I uninstall windows 8 and reinstall without losing

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gav62

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How do I un install windows 8 and reinstall without losing. I have installed 32bit when I need 64bit. what is the best way to go about this
 

My Computer

System One

  • OS
    windows 8
gav62 said:
How do I un install windows 8 and reinstall without losing. I have installed 32bit when I need 64bit. what is the best way to go about this
Click to expand...

Back up your DATA,
Use Diskpart to clean your disk, Clean install win 8.1 64 bit
 

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
How do I un install windows 8 and reinstall without losing.
Click to expand...
If you mean not losing anything, that's not possible because you can't do an in-place "upgrade" from 32-bit to 64-bit; instead, you have to do a clean install.

So, while you can certainly back up your data, you will end up losing everything you have installed in the 32-bit setup as you will have to do the installs all over again.
 

My Computer

System One

Yea, many folks don't understand you can back up the data and even games but then you will have to re-install the program/game and then copy the old data over the top of the re-install if wanting to get back totally as it was. The registry thing gets in the way especially if changing OS which what is happening switching from 32-bit to 64-bit.
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.
If you're going from 32 to 64 it is best to wipe the whole drive and all partitions with something like Partition Master. Start from scratch installing 64-bit.

Do you have bootable 64-bit ISO disc or usb? Make sure you have all that setup first.
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.
If you're going from 32 to 64 it is best to wipe the whole drive and all partitions with something like Partition Master. Start from scratch installing 64-bit.
Click to expand...
You should not have to use any third party partition manager. You can delete, create, format partitions during installation:

win8uefiinstall1.jpg
 

My Computer

System One

  • OS
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home Brewed
    CPU
    I7 4970K OC'ed @4.7 GHz
    Motherboard
    MSI-Z97
    Memory
    16 GB G-Skill Trident X @2400MHZ
    Graphics Card(s)
    NVIDIA GeForce GTS 450
    Sound Card
    X-Fi Titanium Fatal1ty Professional Series
    Monitor(s) Displays
    Dual HP-W2408
    Screen Resolution
    1920X1200
    Hard Drives
    256 GB M2 sm951, (2) 500GB 850EVO, 5TB, 2 TB Seagate
    PSU
    Antec 850W
    Case
    Antec 1200
    Cooling
    Danger Den H20
    Keyboard
    Logitech
    Mouse
    Logitech Performance Mouse MX
    Internet Speed
    35/12mbps
    Browser
    Firefox
topgundcp said:
If you're going from 32 to 64 it is best to wipe the whole drive and all partitions with something like Partition Master. Start from scratch installing 64-bit.
Click to expand...
You should not have to use any third party partition manager. You can delete, create, format partitions during installation:

View attachment 47037
Click to expand...

Yea, I'm stuck in the old days with wiping stuff. Now Windows gives you more options. :confused:
 

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.
Hey popeye, thats great. But how do I uninstall the 32bit version all it wants to do is upgrade me to 8.1
 

My Computer

System One

  • OS
    windows 8
It appears you are attempting to install the 64 bit OS from within Windows and that cannot work. You must boot from the install media. Early in the install process you will be given the options as shown in post #8. This will wipe out your existing 32 bit installation.
 

My Computer

System One

  • OS
    Windows 7
    Computer type
    PC/Desktop
gav62 said:
Hey popeye, thats great. But how do I uninstall the 32bit version all it wants to do is upgrade me to 8.1
Click to expand...

LMiller7 said:
It appears you are attempting to install the 64 bit OS from within Windows and that cannot work. You must boot from the install media. Early in the install process you will be given the options as shown in post #8. This will wipe out your existing 32 bit installation.
Click to expand...

As LMiller7 said, you have to have install media, either a installation disc or bootable usb ISO flash drive then of course a legitimate key to activate it. It is essentially a clean install when going from 32 to 64 bit. You have to boot from usb or disc.

http://www.eightforums.com/tutorials/2299-clean-install-windows-8-a.html?filter[2]=Installation%20and%20Setup
 
Last edited:

My Computer

System One

  • OS
    Windows 8.1 Pro 64-bit
    Computer type
    Laptop
    System Manufacturer/Model
    Acer V3 771G-6443
    CPU
    i5-3230m
    Motherboard
    Acer VA70_HC (U3E1)
    Memory
    8GB DDR3 PC3-12800 (800 MHz)
    Graphics Card(s)
    HD4000 + GeForce GT 730M
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    17" Generic PnP Display on Intel HD Graphics 4000
    Screen Resolution
    1600x900 pixels
    Hard Drives
    Samsung SSD 850 EVO 250 GB
    ADATA SSD SP900 128GB
    PSU
    90 watt brick
    Mouse
    Bluetooth
    Antivirus
    Comodo
    Other Info
    Asus RT-AC56R dual-band WRT router (Merlin firmware). Intel 7260.HMWWB.R dual-band ac wireless adapter.
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