Yes, the software is supplied on a bootable USB stick that you can use to install Windows 11 Pro. The USB stick contains all the necessary installation files and is suitable for installation on a PC that fulfils the system requirements such as UEFI and TPM 2.0.
A USB stick with at least 8 GB of storage space is required to create or use a bootable USB stick for Windows 11. You can use Microsoft's Media Creation Tool to load the installation media onto the USB stick and make it bootable. When starting the PC, you can then select the USB stick as the boot medium in the boot menu to start the installation.