The App Store only shows updates for the OS you are using at the moment, in your case Yosemite 10.10.5.
If you want to go to another newer OS that is called an upgrade. This can be done through the App Store using the following link.
High Sierra is the last/ newest OS your Mac can use. Scroll down to Section 4 and click on Get macOS High Sierra.
Make a full back up of your Mac before upgrading.
![Mac Os X Yosemite Software Mac Os X Yosemite Software](/uploads/1/2/6/3/126363356/488224654.png)
Check to see with the developers of any third party apps you use that there are updates available so they will continue to work in the new OS. Another thing you need to check is if any printers/ scanners etc you use have updated drivers and software so they too can continue to function in the new OS.
Os X Yosemite Free Download
Feb 3, 2019 11:15 PM
Software Update Mac Os X Yosemite 10.10.5
If you need to run PC and Mac software at the same time, you will need to buy additional software such as Parallels or VMware. Installing OS X Yosemite. OS X Yosemite is free to download and install if you have already have Snow Leopard, Lion, Mountain Lion, or Mavericks. If you have an earlier version, you may be able to buy and install Snow. May 26, 2020 If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos. Sep 01, 2018 MAC OS X YOSEMITE ISO: Software Information. Software name: MAC OS X YOSEMITE ISO. Type of Software: Offline/Standalone full Setup. Developer: Apple (Lone Author). Minimum System Requirements for MAC OS X YOSEMITE ISO. Here is the list of specifications that are required in order to get started. OS X v10.6.8 or later. 2GB of memory. Data erasure software for OS X 10.10 Yosemite. In order to permanently delete files or erase hard drive under Mac OS X 10.10 Yosemite, you need to download data erasure software for OS X 10.10 Yosemite. AweEraser for Mac is a good choice. It supports to permanently delete files in OS X 10.10 Yosemite, erase hard drive under OS X 10.10 Yosemite.