deepesh1193
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I hope this tutorial will help those people who find it difficult to install windows 8:
Source: about.com
A Windows 8 clean install involves removing the existing operating system installed on a partition (a previous Windows 8 installation, Windows XP, Linux, Windows 7... it doesn't matter) and then installing Windows 8 from scratch on that same drive. A clean install is also sometimes referred to as a"custom install."
Backup Your Important Data
So the first thing to do, if you can, is to backup whatever data you'd like to keep like your saved documents, downloaded music and videos, etc. Backing up your actual programs isn't usually possible, so locate all the installation media and downloaded installation files that you used to install the programs so they're available to reinstall once the Windows 8 clean install is done. Be sure also to backup any data files from your programs, assuming they have any, that might not be located with your other saved files.
Locate Your Product Key
Your next concern should your product key. This 25-digit alphanumeric code is required during the Windows 8 clean install process. If you've purchased Windows 8 yourself, the product key should be included with the DVD media you received or in the email confirmation you received when you purchased Windows 8 for download. If Windows 8 came preinstalled on your computer, look for a sticker with the product key somewhere on your desktop, laptop, or tablet device.
To start the Windows 8 clean install process, you'll need to boot your computer from whatever installation source you happen to be using: either a DVD disc or a flash drive.
In other words, if you have a Windows 8 DVD and you would like to install Windows 8 from an optical drive, then boot from the Windows 8 DVD. Alternatively, if you have the Windows 8 installation files properly copied to a USB based drive, then boot from the USB device.
Note: See the What To Do... section further down this page if you need to change the media (disc vs flash drive) that you install Windows 8 from, or if you have an ISO file of Windows 8 and you're not sure what to do with it.
There are really three basic steps here:
Insert the Windows 8 DVD into your optical drive, or plug into a free USB port the flash drive with the Windows 8 installation files on it, and then turn on or restart the computer.
Watch for a Press any key to boot from CD or DVD... message (shown above) if you're booting from a disc, or a Press any key to boot from external device... message if you're booting from a flash drive or other USB device.
Press a key to force your computer to boot from either the Windows 8 DVD or a flash drive with the Windows 8 installation files on it.
If you don't press a key to force the boot from the external drive or DVD disc, your computer will try to boot from the next device listed in the boot order in BIOS, probably your hard drive, in which case your currently installed operating system will start. If that happens, just restart your computer and try again.
Note: If you see one of the messages above, and your current operating system starts or you receive some kind of error, the most likely reason is that the boot order is set incorrectly. You probably just need to change the boot order in BIOS, being sure to rank the CD/DVD Drive or External Devices entry somewhere before or above the hard drive in the list.
It's also OK if you don't actually see one of the above messages, but the Windows 8 setup process (see the next step) beings automatically. If that happens just consider this step over and move on.
Source: about.com
A Windows 8 clean install involves removing the existing operating system installed on a partition (a previous Windows 8 installation, Windows XP, Linux, Windows 7... it doesn't matter) and then installing Windows 8 from scratch on that same drive. A clean install is also sometimes referred to as a"custom install."
Backup Your Important Data
So the first thing to do, if you can, is to backup whatever data you'd like to keep like your saved documents, downloaded music and videos, etc. Backing up your actual programs isn't usually possible, so locate all the installation media and downloaded installation files that you used to install the programs so they're available to reinstall once the Windows 8 clean install is done. Be sure also to backup any data files from your programs, assuming they have any, that might not be located with your other saved files.
Locate Your Product Key
Your next concern should your product key. This 25-digit alphanumeric code is required during the Windows 8 clean install process. If you've purchased Windows 8 yourself, the product key should be included with the DVD media you received or in the email confirmation you received when you purchased Windows 8 for download. If Windows 8 came preinstalled on your computer, look for a sticker with the product key somewhere on your desktop, laptop, or tablet device.
To start the Windows 8 clean install process, you'll need to boot your computer from whatever installation source you happen to be using: either a DVD disc or a flash drive.
In other words, if you have a Windows 8 DVD and you would like to install Windows 8 from an optical drive, then boot from the Windows 8 DVD. Alternatively, if you have the Windows 8 installation files properly copied to a USB based drive, then boot from the USB device.
Note: See the What To Do... section further down this page if you need to change the media (disc vs flash drive) that you install Windows 8 from, or if you have an ISO file of Windows 8 and you're not sure what to do with it.
There are really three basic steps here:
Insert the Windows 8 DVD into your optical drive, or plug into a free USB port the flash drive with the Windows 8 installation files on it, and then turn on or restart the computer.
Watch for a Press any key to boot from CD or DVD... message (shown above) if you're booting from a disc, or a Press any key to boot from external device... message if you're booting from a flash drive or other USB device.
Press a key to force your computer to boot from either the Windows 8 DVD or a flash drive with the Windows 8 installation files on it.
If you don't press a key to force the boot from the external drive or DVD disc, your computer will try to boot from the next device listed in the boot order in BIOS, probably your hard drive, in which case your currently installed operating system will start. If that happens, just restart your computer and try again.
Note: If you see one of the messages above, and your current operating system starts or you receive some kind of error, the most likely reason is that the boot order is set incorrectly. You probably just need to change the boot order in BIOS, being sure to rank the CD/DVD Drive or External Devices entry somewhere before or above the hard drive in the list.
It's also OK if you don't actually see one of the above messages, but the Windows 8 setup process (see the next step) beings automatically. If that happens just consider this step over and move on.