If you have a ready Template, you can choose and Use custom profile.To do that, you will need to perform several easy steps: Creating a bootable USB for Windows or Linux Here you have several options, you can create Windows bootable image, Windows To Go, Linux bootable image and SD card ready for Raspberry Pi (DD mode). To create it, enter Create a Bootable USB to the field in the main window, or click the Create tile and pick Bootable USB. Bootable USB is used to install the operating system.