For almost everyone reading this: It handles installers, recovery, and backups with room to spare. It will serve you for years, through Windows 10, Windows 11, and beyond.
Windows To Go is an enterprise feature (discontinued for consumer versions, but still achievable via third-party tools like Rufus). It lets you run a full, persistent Windows 10 installation directly from a USB drive on any PC. how big usb stick for windows 10