Install windows 8.1 ม บางส งผ ดปกต

This version is slightly older and does not have the latest features, but it has been tested for longer. For business deployments, we strongly recommend support from certified partners which also offer long-term support versions of LibreOffice.

You can perform a clean installation of Windows 8.1 if you purchased Windows 8.1 on DVD or purchased a download of Windows 8.1. A clean installation typically means formatting your hard drive before installing Windows, so make sure that you have backed up your files and created recovery disc by MSI BurnRecovery tool before proceeding.

To perform a clean installation using a DVD or USB flash drive

If you bought Windows 8.1 on DVD or created a DVD or USB flash drive when you purchased and downloaded Windows 8.1, follow these steps to perform a clean installation.

1. Turn on your PC so that Windows starts normally, insert the Windows 8.1 DVD or USB flash drive, and then shut down your PC.

2. Restart your PC. Your laptop will boot from Windows 8.1 DVD or USB flash drive. Press any key when prompted by message “Press any key to boot from CD or DVD…”.

If you restart your PC and your current version of Windows starts, you might have to change the boot order in your PC's BIOS settings so that your PC boots from the media.

To change the boot order, you'll generally press Delete key immediately after you turn on your PC. When you get into BIOS Setup Menu, please select Boot tab and set your media as the first boot order.

This article provides a step-by-step guide for performing a clean install of Windows 8/8.1 on a computer, and retail DVD/USB upgrade installation instructions and postinstallation setup and personalization.

Get media to install Windows 8/8.1

If you must get media to repair or restore your operating system to its original factory image, browse to the Media Backup page to get information about creating recovery discs from your Dell computer or downloading an image online.

To get detailed information about using the Dell operating system Recovery Tool to create an image, see KB article, "How to Download and Use the Dell OS Recovery Image in Microsoft Windows."

How to Perform a clean installation of Windows 8/8.1

1. Insert the Windows 8/8.1 DVD into your optical drive and restart your computer. Select from the option that best fits your computer:

   Option 1

   For computers that do not have UEFI BIOS, at the Dell logo screen, tap the F12 key repeatedly until the Please Select Boot Device: menu appears. Select CD/DVD/CD-RW Device and press Enter.

   Option 2

   For computers that do have UEFI BIOS, At the Dell logo screen, tap the F2 key repeatedly until the System Setup menu appears. Then perform the following steps:

   1. Depending on the type of BIOS, you must find the Boot section using the Up and Down arrow keys. Ensure the following:
      • The boot mode is set to UEFI
      • The setting for Secure Boot is Disabled
      • In the order of boot devices, either CD/DVD/CDRW or Internal ODD Device is the first item in the list
   2. Save the changes and exit System Setup to restart the computer. The Windows 8/8.1 Setup appears.
2. Select Language to install, Time and currency format, and Keyboard or input method and select Next.
3. Select Install Now. The Product Key screen appears.
4. Locate your Product Key and type it into the box provided, then click Next to continue. NOTE: The Product Key is a 25 character sequence, separated by dashes. If a correct key is typed into the box, the line below the box will state, "Your product key works! Continue when you're ready If an incorrect key is typed into the box, the line says, "This product key didn't work. Please check it and try again, or try a different key" Read our article on Windows 8/8.1 product keys for more information. Dell factory-installed versions of Windows 8 and 8.1 do not require a product key for Dell computers.
5. Accept the license terms described in the License Terms screen. Click the checkbox at the bottom of the screen to accept and click Accept to continue.
6. At the Which Type of Installation do you Want screen, select Custom: Install Windows only (advanced).
7. At Where do you want to Install Windows? screen, select Drive options (advanced). Remember that the next step will delete all existing information about your computer so be sure to back up what you want to keep. For a clean installation, delete all partitions that are shown by highlighting them one at a time and selecting Delete. After you have deleted all partitions, select Unallocated Space and then select New. Click Apply to create your new Windows 8/8.1 partitions, then click Next.
8. A fresh installation of Windows is loaded on your computer.
9. Your computer restarts several times. This may take some time to complete installation.
10. Once you have reinstalled Windows, you must perform the original Windows setup. See the Dell Knowledge Base article, "How to Set Up Your New Dell Windows 8/8.1 Computer" for more information

Upgrade to Windows 8/8.1 from a retail DVD or USB Key

1. Insert the Windows 8/8.1 DVD into your optical drive. If you are using a USB drive, open the USB drive folder in Windows Explorer and select Setup.exe The Windows 8/8.1 Setup appears on your screen.
2. Select Go online to install updates now (recommended) and click Next. The Product Key screen appears. Locate your Product Key and type it into the box provided, then click Next to continue.

NOTE:

The Product Key is a 25 character sequence, separated by dashes. If a correct key is typed into the box, the line below the box will state, "Your product key works! Continue when you're ready If an incorrect key is typed into the box, the line says, "This product key didn't work. Please check it and try again, or try a different key"

Click here for more information about Windows 8/8.1 product keys. Dell factory-installed versions of Windows 8 and 8.1 do not require a product key for Dell computers.