First check the System requirements
The following list describes the recommended minimum hardware requirements for basic functionality of the different editions of Windows Vista. Actual hardware requirements vary, depending on system configuration and on the programs and the features that you install. If you install Windows Vista over a network, additional hard disk space may be required.
Windows Vista Home Basic
- 800-megahertz (MHz) 32-bit (x86) processor or 800-MHz 64-bit (x64) processor
- 512 megabytes (MB) of system memory
Note On system configurations that use system memory as graphics memory, at least 448 MB of system memory must be available to the operating system after some memory is allocated for graphics.
- DirectX 9-class graphics card
- 32 MB of graphics memory
- 20-gigabyte (GB) hard disk that has 15 GB of free hard disk space
- Internal or external DVD drive
- Internet access capability
- Audio output capability
Windows Vista Home Premium, Windows Vista Business, Windows Vista Enterprise, and Windows Vista Ultimate
- 1-gigahertz (GHz) 32-bit (x86) processor or 1-GHz 64-bit (x64) processor
- 1 GB of system memory
- Windows Aero-capable graphics card
Note This includes a DirectX 9-class graphics card that supports the following:
- A WDDM driver
- Pixel Shader 2.0 in hardware
- 32 bits per pixel
- 128 MB of graphics memory (minimum)
- 40-GB hard disk that has 15 GB of free hard disk space (the 15GB of free space provides room for temporary file storage during the install or upgrade.)
- Internal or external DVD drive
- Internet access capability
- Audio output capability
Note A Windows Aero-capable graphics card is a graphics card that meets the following requirements:
- Supports a Windows Display Driver Model (WDDM) driver
- Has a DirectX 9-class graphics processor unit (GPU) that supports Pixel Shader 2.0
- Supports 32 bits per pixel
- Passes the Windows Aero acceptance test in the Windows Driver Kit (WDK
If your computer is compatible follow directions below.
Option 1
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To perform a clean installation of Windows Vista from the current version of Windows on the computer, follow these steps:
- Start the computer and make sure that the current version of Windows has started.
- Insert the Windows Vista DVD into the DVD drive and then close the drive tray. Wait a moment for the Setup program to start automatically.
- If the Setup program does not start automatically, follow these steps:
- Click Start and then click Run.
- Type Drive:\setup.exe and then click OK.
Note Drive is the drive letter of the computer’s DVD drive.
- When the Setup program starts and the Install now screen appears, click Install now.
- When the Which type of installation do you want? screen appears, click Custom (advanced). The follow the instructions to install Windows Vista.
If Windows Vista is now running on your computer, you have completed the installation successfully.
OR
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Option 2
Note for the option below The computer must be configured to start from the DVD drive.
To perform a clean installation of Windows Vista by starting the computer from the Windows Vista DVD, follow these steps:
- Start the computer.
- Insert the Windows Vista DVD into the DVD drive and then close the drive tray.
- Restart the computer.
- When you receive the "Press any key to boot from CD" message, press a key.
- Follow the instructions to install Windows Vista.
If Windows Vista is now running on your computer, you have completed the installation successfully.
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