So Mavericks came out and it’s about 5 gigs. You’re looking at your three computers and crying at your bandwidth caps.
So check this out. Go ahead and download the new OS:
Now BEFORE you run it, go to your Applications folder (mine is mid-download, but you get the idea):
By the way, that fake date is a very important date in Mac history. Cute, Mac.
Copy that 5 gig app somewhere else. Maybe a thumbdrive if you have one big enough. You can then copy that to any other Mac and upgrade. Or make a bootable DVD and use that to install. Enjoy.
Now I’ll be off to download once and upgrade thrice. Wish I could do it for iOS.