Now that you have successfully upgraded your Macintosh to High Sierra, you can upgrade other MACs to High Sierra by just logging into the Apple store with your Apple ID and clicking on “Purchases” tab. You should see MAC OS 10.11 populated or a different version. You can click on the Apple icon and select “About this MAC” to verify your operating system. Keep clicking “Next” until you come across a “Restart” window.Ĭlick on “Restart” and your Macintosh will reboot and begun upgrading from Apple MAC OS 10.10.5 Yosemite to Apple MAC OS 10.13 High Sierra. You will need to enter your MAC password and accept some terms of conditions. Once High Sierra completely downloads, then the installation will open. You will need to access this link from your Macintosh computer. If you have NOT installed Apple MAC OS 10.13 High Sierra before, you will need to download High Sierra from this alternative Apple Store download link. Select “High Sierra” and then click on “Download”.ĭepending on the speed of your Internet connection, this download can take possibly hours to complete. Apple considers operating system upgrades as purchases. A list of all your previous purchases will populate.

You need to login with your Apple ID.Ĭlick on the “Purchases” tab. If you have installed High Sierra before, then all you have to do is browse to the “Apple Store” on your Macintosh. However, they were able to install High Sierra and thus I have included instructions for upgrading MAC OS X Yosemite to High Sierra. This customer could NOT install El Capitan. In order to upgrade your MAC operating system, you must now have an Apple ID. Newer versions of Turbotax, for example 2017 versions, now require MAC OS 10.11. This program will not work unless their MacBook Pro is upgraded to OS X 10.11, which is also known as El Capitan. How do I download OSX10.11? How much will this cost? Can I do this online? I installed Turbo Tax 2017 and I got a message saying that I must install OSX10.11 to use this product. It current operating system is OS X 10.10.5. I have a MacBook Pro that was purchased in 2012. I received another customer question on a third party website, where I earn supplemental income answering computer and technology related questions.

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