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.
The new OS X 10.12, or rather mac OS upgrade is at the door and it’s full of amazing features you’ll probably want on your Mac right away.
Let’s take a quick look at what’s going to be the best among the news in mac OS Sierra. This is great news for everyone who’s already used to her help on i OS.
Apple often names its products like that, using “Early” and “Late” to identify models. Just click the Apple menu and choose About this Mac.
You’ll see a window with information about your computer.
These OS versions can upgrade to Sierra: Disk space: 8 GB of free space on drive.
Next, ensure your system is not experiencing any major problems, which include regular freezes or crashes of applications or the entire system, or the inability to log in to a user account, enable sharing services, or establish hardware connections to peripheral devices or networks.
Apple changed the installation process for Lion slightly from earlier versions of OS X.
While the process is fundamentally the same, there are differences caused by the new distribution method for Lion, which is sold only through the Mac App Store.
Another step to consider is to run a few maintenance routines on your hard drive before installing.
At the very basics, reboot the system into Safe Mode and then use Disk Utility to check the hard drive for errors.
As you’ve probably noticed by now, the next version of Apple’s desktop operating system, mac OS Sierra, is due to be released in the fall.