Can i update my early 2009 IMac from OSX Yosemite to El Capitan?

ROBL14 Said:

"Can i update my early 2009 IMac from OSX Yosemite to El Capitan?: Thanks for the information. Seems like I downloaded something called MacOSX.dmg. Dont know what to do from here. Instructions not very clear."

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You are Welcome.

To Upgrade:

1. Backup First: Create a Time Machine backup of your Mac, so that you can have something to restore your Mac from, should anything go wrong.

2. What you Need: El Capitan Installer. The file name: InstallMacOSX.dmg.

Quote: "It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system."

So, double-click what is downloaded, then go into the Applications folder, and open double-click that file. Then, proceed from there with the upgrade.

ROBL14 Said:

"Can i update my early 2009 IMac from OSX Yosemite to El Capitan?: Does anyone know how I can update my early 2009 iMac from OSX Yosemite to El Capitan?"

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Yes. It is compatible.

See Here: OS X El Capitan - Apple Support

To Upgrade:

1. Backup First: Create a Time Machine backup of your Mac, so that you can have something to restore your Mac from, should anything go wrong.
2. Download the Upgrade: How to Get Old Versions of macOS - Apple Support

ROBL14 Said:

"Can i update my early 2009 IMac from OSX Yosemite to El Capitan?: Thank you. Thank you. Thank you! This worked and El Capitan now installed. Very much appreciated all of your assistance"

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You are welcome.