Apple's latest operating system, Mac OS 10.11 "El Capitan" is now available. With any new operating system, if you rely on your computer for work, it's always best to wait to ensure that it will work for everything you need. A good rule of thumb is to wait until the second update after the release. When you're ready to install El Capitan, Apple makes it simple -- just go to the App Store on your Mac, click on OS X El Capitan, and then click "Download." But if you have multiple Macs you'd like to update, there's a faster way than having to download this large update file on every computer.
1. First, click "Download" on OS X El Capitan.
2. Once the download completes, do not continue with the installation.
3. Find the "OS X El Capitan" file in your Applications folder. This is the actual update, which is 6.08 GB.
4. Move this file to a thumb drive or external hard drive, and then copy it over to each Mac you'd like to update to El Capitan.
5. Double click on that file to install OS 10.11 El Capitan.
This will save you the time of having to re-download that file from the internet for every Mac.