Came across two guys who had rebuilt an old tractor and made it run on electrical power and solar panels while acting autonomus. Article on Swedish

So I recently quitted Google Drive and downloaded all my data and hoping to keep it on Hard drives myself, They are external plug in types and I want the files synced like it was on my computer. So when I plug it in it copies/syncs the things on my computer, anyone knows somethign like that?

Do Anyone have a software to sort all the pictures and other files that comes with them so I can have them on a HDD?