Administrator Right click on installer. In the first screen, you will be asked to press Enter to continue. Step 5 Press Enter key to browse to the install. Windows Files folder. The Install. wim file can be found under Sources folder Windows Files Sources install. Hi all. Thanks for all your advice on choosing a laptop last week. Ive just bought a Lenovo Yoga 500 15. Ive encountered a. How to install Windows 10 on a USB drive with Microsofts Media Creation Tool Microsofts Media Creation Tool offers an easy way to create a USB drive to. Step 6 Now, you need to select the Windows 7 edition that you want to install on external hard drive. You can select the edition by entering the index number shown in the screen. For example, type 5 without quote and hit Enter key to select Ultimate edition. Step 7 The next step is to enter your External drives drive letter. Enter the drive letter ex L and press Enter key. Step 8 Now, type in the drive letter of your ACTIVE partition and hit Enter key. Generally C is the active partition. You can find the active partition by opening Windows Disk Management tool type diskmgmt. Start menu search area and hit enter to launch it. Step 9 Finally, the installer will ask you the drive letter that you have entered to install Windows 7 is a USB hard drive or not. As you are installing Windows 7 to an external hard drive simply type Y without quote and press Enter key. Finally click Enter key again to start extracting the Install. This might take a few minutes. Once done, you will be asked to reboot your PC to continue the normal Windows 7 installation procedure. Step 1. 0 Reboot your PC and follow the usual Windows 7 installation procedure to complete Windows 7 installation on external hard drive. Your PC will be restarted twice or thrice during installation. Please note that the installation procedure might be slower as you are installing Windows 7 to an external hard drive. Step 1. 1 Once done with the installation, you are good to go. You can install all drivers and other software to start using the best Windows version on your PC. Note We have tested this method to install x. Windows 7 to Seagate USB external hard drive. But should work fine with x. Users who would like to carry Windows 7 on a USB flash drive can follow our how to carry Windows 7 on USB flash drive guide. UPDATE If youre having issues with this guide. Windows 7 on USB with ease guide for easy instructions.