George Smith-Moore provides steps to install Windows 7 from a USB drive. The steps include:
1) Preparing the USB drive with the Windows 7 ISO files and booting the PC from the USB drive.
2) Navigating the boot menu to select the USB drive and restarting.
3) Starting the Windows 7 installation and selecting language, time format, and keyboard settings.
4) Partitioning the hard drive by formatting it if needed and installing Windows 7 to the unallocated space.