You will need your Apple IDentification password in order to enter the Apple store. Once that download finishes, you will be prompted to install or need to double click the download. You will need to download Yosemite from the Apple store. You can upgrade your Macintosh computer with operating system 10.9.5 Mavericks by going into the Apple Store. However, you can back your data manually to an external hard drive or Universal Serial Bus flash drive.Īlso, you can create an Apple Macintosh time machine backup of your computer. Usually, upgrading your MAC OS does not affect your personal files. Below is my response with some instructions. This install would not get past the set up stage, after loading the Canon installation CD-ROM.Ĭanon recommended upgrading MAC OS 10.9.5 Mavericks to at least MAC OS X 10.10 Yosemite. They were trying to connect their new printer, a Canon TS5100 to their Macintosh computer.

This individual had a Macbook professional computer with Macintosh Mavericks operating sytstem installed.

I need to update my computer from a 10.9.5 to a minimum of a 10.10, how can I do that without losing my files? This time I received the following request from a customer. Another information technology problemo in the world order.

Mac os 10.10 download update