You can google this line to find articles relevant to your specific model - or just ask here. You can click Apple Icon->About this Mac and it will list the name and manufacturing year of your Mac. Please note that some of the information I linked is specifically for the '2010 Macbook' which I assume is what you are referring to.

This simple upgrade can drastically improve the load times on your system and make everything seem faster. After you boot Mac into Recovery Mode, you can also restore your data on Mac. seems least intimidating to you and you will be well on your way. If you plan to keep using this computer, you may wish to consider upgrading the hard drive to an SSD. MacBook Pro (13-inch, Early 2011) MacBook Pro (15-inch. This is usually well publicized on Mac news sites like Macworld. Incase 13' ICON Sleeve with Woolenex for MacBook Air and MacBook Pro - Next Gallery Image. Incase 13' ICON Sleeve with Woolenex for MacBook Air and MacBook Pro - Previous Gallery Image. After that you'll just kind of have to keep your ear out for any security flaws that get discovered. Leather Sleeve for 12inch MacBook Midnight Blue. The good news, however, is that for the time being you'll be updated and protected from major flaws. High Sierra is actually still receiving security updates, although I believe it's support ends this year. You can install High Sierra on this Macbook and will probably want to do so. They start by explaining how to clean install Catalina on a newer computer but after that they explain how to retrieve older OSes for doing clean installs. There are a few things you can do to make this computer more efficient for you and, I assume, it will continue to function quite adequately as an office computer.

Macbook air 11 inch 2011 hard reset