Install Windows 11 side-by-side without a USB drive

This tutorial only for existing Windows users which needs to install the second Windows along-side it without USB disk or CD. How When you have the Windows installer, you can directly unzip the install.wim to a new partition. This process does not need to restart or enter the PE environment, so no USB storage disk nor CD is required.   After the decompression is complete, directly boot the new  …