If you often create bootable USB drives using third-party software on Windows, you might need to format it first. However, you can use Ventoy2Disk, which is a free tool to create a bootable USB drive ...
I switch between computers a lot, so I use a persistent Linux USB that keeps my workspace consistent anywhere.
I purchased a license of Windows 7 Ultimate from my university. I plant to upgrade a Windows 7 Home PC to Ultimate and then to Windows 10 Pro. It much cheaper than purchasing the Pro upgrade from MS.