Why does Avast offer large update files for offline systems like this :
https://www.avast.com/en-in/download-updateWouldn't it be better for Avast to offer an updater that downloads virus definition updates incrementally to a drive, external HDD or a pen drive (and also Avast program updates, if the user desires so).
Avira and Kaspersky have this type of offline updater for their products. It helps to save greatly on time and a user's data plans.