Next you'll need to download the installation file from Microsoft. 32-bit and 64-bit versions are available. To find out which version you're currently running, right-click Computer, and left-click Properties. Under the System tab, it will tell you which version you're running (which is also which. 1. Plug in your USB Flash Drive 2. Open a command prompt as administrator (Right click on Start All Programs Accessories Command Prompt and select Run as administrator (or CMD) 3. Find the drive number of your USB Drive by typing the following into the. You may be prompted for a product key during this phase, which you can skip since your system should be able to activate Windows 10 automatically after it's installed. Pick Upgrade when choosing your installation type in order to save all of your existing files. 5. That's it! Now you should be ready to rock with Windows 10. You'll get an out-of-the-box experience once the install is complete, which should round out all of your various user settings and OS configuration. The stick will be wiped, so make sure to save your files on it before running the installer. Plug in the stick, launch the Windows 10 installer you downloaded earlier, and pick Create installation media for another PC. STEP 4. test the boot drive to make sure it boots if it does congratulations your done. Q A why dont you use rufus instead of Universal Usb Installer for w7/w8? While it works they were never completely functional for me so results may be. Hi! I have recently built my own computer. The only thing i was missing was an OS. I downloaded Windows 7 home premium 64 bit(from microsoft's partner Digital River). I took the ISO file onto my USB stick and tried to plug it in to.