iMac 21.5" Late 2013 Advice needed
Hi, my iMac 21.5" Late 2013 is currently running Yosemite 10.10.5. Is it worth update to the latest OS?
Also, any advice on cleaning up the hard drive for better/faster performance?
Thanks in advance
iMac, OS X Yosemite (10.10.5), Late 2013