One of the first things to clear up when troubleshooting an older device is what is the latest Operating System that your device will accept? A great way to look this up is at this website called EveryMac.com. There is a list of identifiers you can put in and get ALL the details on your device. Very handy! Here's a link to the site: everymac.com/ultimate-mac-lookup/
Good read if your considering buying an Apple Laptop (Click link below)
Others who are offering good online learning videos, classes, or courses.
Gary Rosenzweig at MacMost has a huge site with many helpful videos, tips, and guides. A treasure trove of learning materials. He moves quickly and it helps to have some basic understandings to get the most out of his offerings. A wonderful resource. Here's a link to his site: macmost.com
David Sparks runs a site called MACSPARKY David has Videos, Guides, three Podcasts, Field Guides, screencasts, an extensive blog, and newsletter. Most of his materials are for the intermediate to advanced user. Great materials when you are ready to dig a bit deeper and feel your inner Geek calling. Here's a link to his site: www.macsparky.com
I realize that I come back to Overwatch over and over because it is a rare microcosm where I am given a low-stakes opportunity to master some chaos.
rare microcosm where I am given a low-stakes opportunity to master