Ubuntu Requirement: USB Flash Drive (4GB minimum) Ubuntu ISO Image file UNetbootin How to: Now insert the USB drive, run UNetbootin, and select Disk Image as ISO. Browse your local drive for Ubuntu ISO that you downloaded and click Open. Now Select Type as USB and choose the drive. Once done, it will look like a bit similar to the screenshot shown below. Click OK and it will begin extracting all installation files to the USB drive. The whole process will take some time(10-15 minutes), so have patience. Once the installation is complete, reboot your computer. Now while your system is starting up press the appropriate button(usually F1, F2, F12, ESC, Backspace, or Escape) to bring up Bios Boot Menu. Change the startup order to boot USB by default. Once done, save changes and restart the system. Windows Requirement: USB Flash Drive (1GB minimum) Windows XP ISO Image file WinSetupFromUSB How To: 1. First of all, plug your USB stick and Open (My) Computer. Right click on USB stick and choose Format… to prepare it. 2. Download and extract WinSetupFromUSB. Now run the utility. 3. Mark checkbox corresponding to Windows 2000/XP/2003 Setup and locate installation source or CD that contains I386 or AMD64 folders. 4. Now click on Go button to start copying installation source to USB stick and finalizing all sort of things. 5. Once its Done! you can restart your PC and boot from USB stick. You need to follow 3- Steps installation, viz: 1. Text mode setup 2. GUI mode setup 3. Start Windows for first time Start with First part of Windows installation; When the first step (Text mode setup) completes and system reboots, boot with USB stick again and select Second part of 2000/XP/2003 Setup and complete GUI mode setup. Now instead of boot with HDD, boot with USB stick one more time and choose Second part setup again and keep USB stick plugged-in until you see Windows desktop.