What to know before updating to lion

The first thing to find out is if your Mac can run mac OS Sierra.Apple hasn’t published this information on its website yet, but during the presentation of the new operating system at the World Wide Developer Conference in June, a slide revealed the following compatibility information: This is simple, for the most part, with the exception of exactly what “Late 2009” means.The utility you use to perform the backup isn't that important; what's important is having a current backup of your system and user data before you start the upgrade to Lion.My personal choice is to have a current Time Machine backup and a clone of the current boot volume.Also keep in mind the App Store will check for system compatibility, so if you can download it to your system without error, then it should install just fine.

Granted the refresh of OS software may in fact clear some of these problems up, but it may be more assuring to install the new OS over a known working system configuration.In front of the multi-colored bar, you will see the phrase, "X. XX GB." If you don't have at least 8 GB of free space, you should delete some old files.Before you update Mac OS, don’t forget to: Clean up your Mac This is essential if you want a fast and effortless update, and glitchless work of your new mac OS. To give your Mac a cleanup, you need to get rid of system junk, uninstall extra apps, and clean some old caches.For example, I’m writing this article an a “Mac Book (Retina, 12-inch, Early 2015).” So if your Mac matches one of the above dates, then you’re good to go.If your Mac is too old, you could always buy a new Mac, or even a more recent used model.