Make bootable USB drive to repair OS or clone hard drive Then choose the USB drive and click 'Proceed' to start operation. Choose 'Create Windows To Go with system disc/ISO' and choose the prepared ISO file. Choose 'Create Windows To Go for personal computer' and click 'Next'. Run the tool and go to “All Tools” > “Windows To Go Creator”. Insert an empty USB to your PC and the capacity of the USB should be larger than the used space of C drive. It's for Windows 7/8/8.1/10/11 and with an intuitive GUI interface. To complete the task, a powerful partition manager, AOMEI Partition Assistant Professional is recommended. This part tells how to save your personalized Windows 7 OS on the USB drive, thus you can get a portable Windows workspace and boot any compatible compute from it. Create Windows 7 bootable USB drive for portable Windows Then you can boot your computer from the bootable USB drive and install Windows. When it completes, type “Exit” to leave the command prompt. Step 6. Use ROBOCOPY command “robocopyDE:F: /s /v /mt: 16” to copy all files and folders of the Windows 7 installation media to the USB drive. Note: Replace D with your install media drive letter, and F with your USB flash drive letter. Use BOOTSECT command to make the USB drive bootable. Step 4. Mount the Windows installation media: put the Windows installation disc in the optical drive, mount the ISO, or extract its contents to a folder. ▪ exit (exit DISKPART, but doesn't exit the command prompt window) In the CMD window, run commands as follows to partition and format the USB drive. Press 'Windows' + 'R', input 'cmd' to and click 'OK'. Connect an empty USB drive whose capacity should be larger than 4GB for Windows 7 (8GB for Windows 11, 10, and 8.1). Now, check out those steps about how to create Windows 7 bootable USB drive for OS installation using CMD. It's easy and quick to install Windows 7 from USB drive. Make Bootable USB of Windows 7 for Windows installation ▪ To format/delete/erase C drive in WinPE environment. ▪ To rebuild MBR, check system hard drive error or clone hard drive from bootable USB drive when PC is unbootable. ▪ To own the same Windows workplace environment in different places. ▪ To make a fresh install of Windows 7 conveniently. There are many motivations to create bootable USB of Windows 7 and some are presented below: