OS upgrades for OSX Version 10.9.5

Donna Gelfand wrote:

My iMac is running on OSX Version 10.9.5. Can I install iOS 8? OSX Yosemite was incompatible and damaged my hard drive.

iOS is meant for iOS devices such as the iPhone or iPad, not Macs. So no, you can't install it on your iMac.

If Mavericks works on your iMac, Yosemite should too. How do you know it damaged your HD rather than your HD failed for other reasons?

OSX Yosemite was incompatible and damaged my hard drive.

Highly unlikely. What do you mean - exactly - by "damaged my hard drive?"

Barry