The main difference between the offline installer and online installer is the way drivers are downloaded and installed. The online installer requires an active internet connection to download and install drivers, while the offline installer allows users to download and install drivers without an internet connection.
Because version 13 is an older release, it is no longer the primary version on the official DriverPack website . However, it can be found on community archives:
Format your USB drive as NTFS or exFAT before copying the ISO (FAT32 cannot handle files over 4 GB).