How to Upgrade MacPro 2009

nesam112 wrote:

how do i upgrade my os x el capitan 2009 (core 2 dual) please. i have currently downloaded macOsUpdCombo10.13.6dmg. May I please know the steps required to get my Mac Pro working? I can't do any work on it now. Im very new to MAC products.

Q - " i have currently downloaded macOsUpdCombo10.13.6dmg.

A - This is NOT A FULL VERSION of High Sierra 10.13

The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.

With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install.  For Best results use Safari to commence the download as Others may not work.

Safari will open a redirect and open the Apple Store where the download can commence.

Use Safari to download macOS on your Mac

• Safari uses these links to find the old installers in the App Store. After you download the installer from the App Store, the installer opens automatically.
• macOS High Sierra can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion