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Installing ubuntu 12

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1 Download the Ubuntu image.  Ubuntu is available for free from the Ubuntu website. It is downloaded in ISO format, which needs to be burned to a CD or DVD before you can use it. Most newer computers (built after 2011) will use the 64-bit version, while older computers will need the 32-bit version. 2 Burn the image to a disc.  There are a variety of free image burning programs available, and Windows 7, 8 and Mac OS X all have image burning capabilities built-in. In Windows 7 and 8, navigate to the downloaded ISO file and double-click on it. Insert a blank disc into your burner, and follow the on-screen instructions to burn the disc In Mac OS X, open the Disk Utility. This is located in the Utilities folder, in your Applications folder. Insert your blank disc into your disc drive. Drag and drop the ISO file into the left frame of Disk Utility. Select the ISO file in the frame and click Burn. 3 Set your computer to boot from the CD/DVD drive.  In order to in

Installation of window xp

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System Requirements  300 MHz Intel or AMD CPU 128 megabytes (MB) of system RAM 1.5 gigabytes (GB) of available drive space Super VGA (800x600) or higher display adapter CD or DVD-ROM Keyboard and mouse, or other pointing devices Network Interface Adapter required for Internet and Network Connectivity Sound card and speakers or headphones Step 1:  Find the OS and Product Key It is printed on a sticker on your software package or located on the computer itself. It is a string of 5 groups of characters (each 5 long), separated by dashes, resulting in 25 characters in all. You need the product key to complete installing Windows. Step 2 : Set Your Computer to Boot from CD/DVD Before inserting the CD, you'll need to set your computer to boot from a CD instead of from the hard drive. This will allow you to load the Windows XP setup files before your computer boots to its installed operating system. You can change the boot order from th