How to Reinstall Windows 8.1

Windows 8 is the newest member of the Windows operating system family. It has already been around for a while, released on desktops, laptops and tablets. To further improve its performance, Microsoft has released its newest update: version...
Part 1 of 2:

Reinstalling Windows 8 First

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    Get your Windows 8 CD installer. The CD either came with your PC or was bought separately. Put it inside the CD/DVD drive of your computer.
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    Restart your computer.
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    Access the BIOS. Press the Delete, F1, or F2 button on your keyboard, depending on the type of BIOS your computer is using.
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    Boot from CD/DVD drive. Inside the BIOS, set the boot settings so your computer will boot from the CD/DVD drive first.
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    Save the changes made on the BIOS. Wait for your computer to restart.
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    Press any buttons on the keyboard to proceed. A prompt will notify you to 'Press any key to boot from CD or DVD.'
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    Follow the setup instructions to install Windows 8.
Part 2 of 2:

Reinstalling Windows 8.1 Update

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    Connect your computer to the Internet. Your PC needs to have an active network connection.
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    Go to "Settings." Move your mouse cursor to the lower right of the screen (or swipe to the left if you're using a touch screen), and select 'Settings.'
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    Select 'Change PC Settings.'
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    Select 'Update and Recovery.'
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    Choose 'Windows Update.'
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    Look for and select 'KB 2919355' from the list of downloadable updates.
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    Download and install the update. Restart your computer when prompted.
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