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Can I install Windows XP on the same laptop that I already have Windows 7?
Yes, a computer can run both the operating system if they are installed. You must have enough space to install the new OS and when you will turn on your laptop you will have to choose between the two operating systems. It is not a problem for your computer, but you should do that only if you need it, otherwise you will consume space for nothing. If you don't need Windows XP, it will probably be annoying for you to choose all the time what you want to use on the laptop.
A reason to install another type of Windows could be some device drivers that don't run on Windows 7 or just to test an operating system. It's your choice if you want to install it and keep the other, or delete the old one. I assure you it won't affect his laptop.
Windows XP can be installed on the laptops which already have Windows 7. But the hard disk should be partitioned and XP should be installed in a separate partition. Windows XP can also be installed on the same drive of Windows 7, but in that case also the drive should be partitioned.
This is because XP needs a separate partition to run. One more important issue that might be faced is once XP is installed; the boot manager will recognize XP automatically and do not start up on Windows 7. This is because XP installs the older version of Boot Manager which cannot boot to Windows 7. This can be solved by running the repair tool of Boot manager using Winodows 7 disc which will re-install Windows 7 boot manager.
Yes you can install Windows XP on a same computer that have already installed Windows 7 and boot into whatever operating system you like. This is called a dual boot installation. But in order to do that you should have another partition on your hard drive besides the one you already installed Windows 7.
Then you can install Windows XP on the separate partition on your hard drive. But after installing Windows XP you will only boot into Windows XP because XP writes its boot loader over Windows 7 installation. Therefore you need to repair the Windows 7 boot loader and insert XP into the Windows Boot Manager list. This can be done in many ways; the easiest way is to use free software like EasyBCD.
After that you will have the option to select either Windows XP or 7 when you start your computer.
Yes it is possible to perform a dual boot configuration as long as your computer will meet the minimum system requirements. And you have partitioned your hard disk that will fit Windows 7 and Windows XP. If you have Windows 7 installed on your PC and you want to dual boot it with XP, you need to partition your Windows 7 hard disk. And then insert your Windows XP installation disk and follow the on screen instructions. For more information on how to achieve this, just go to the link provided below: