It is very important to keep your digital software up to date. This is mainly for security reasons however, regular updates allow software to "communicate" with eachother more effectively.
MacOS - This is a very simple process which we will defer to Apple for the best and latest advice. As confident as we are with our support staff, we are simply not permitted to make changes on your machine that are not directly connected with the applications we support.
Here is a great article with easy steps to upgrade your Mac to the latest compatible version. Note that Macs older than ~2013 may not be able to upgrade to the latest version of MacOS
It is always recommended to update before engaging with our staff to avoid delays in resolving your requests :)