I want to download the update once and install on 3 Macs?

It's the whole question in fact? I have an iMac 21.5 "one Macbook 13" and a macbook pro 15 "I want to update all, but being able to download the update once on a cloud of WD drive and get setup for all 3 Mac from there, rather than to download 3 times (661 MB = 1983 MB) the same installer! is this possible to do?

http://arstechnica.com/Apple/2015/09/how-to-make-your-own-bootable-OS-x-10-11-El - capitan-installation-disk usb.

make a boot OS X disk

http://diskmakerx.com/

Property should be neutral for each Mac.

These seem to offer a workable solution, at least a starting point.

Good luck!

Tags: Mac OS & System Software

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