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1. #UPGRADE MACOS CATALINA INSTALL#
2. #UPGRADE MACOS CATALINA UPGRADE#
3. #UPGRADE MACOS CATALINA FREE#
4. #UPGRADE MACOS CATALINA MAC#

Now you are ready to download and install macOS Catalina. The external drive used for the backup to does not have to be the same size as the Mac's, it just has to be big enough to fit your files on. If you have a large external USB drive with two partitions, one can be used by SuperDuper! to clone the Mac's disk and the other one can be used by Time Machine for backups.

#UPGRADE MACOS CATALINA MAC#

Hold down the Option key just after switching on the Mac to choose which disk to boot from.

#UPGRADE MACOS CATALINA FREE#

Two of the most popular utilities for cloning the Mac's drive are Carbon Copy Cloner and SuperDuper! Both are great apps, but there is a free version of SuperDuper! and it can be used to clone the Mac's internal disk drive to an external drive.Īfter copying the drive with either of these utilities, you can boot up from it if necessary and it's identical in every way to the Mac's disk. Time Machine is OK, but it is also a good idea to store an exact image of the Mac's internal drive on an external one.

#UPGRADE MACOS CATALINA UPGRADE#

In the unlikely event of something going wrong during the upgrade to Catalina, you can always reinstall macOS and then retrieve your files using Time Machine. Make sure an external drive is plugged in and a backup has been made by opening Time Machine in System Preferences. There are several ways to do this and Time Machine is the obvious way to do this. The next step is to back up the Mac's disk drive. You might need to open an app and see if there is a menu option to check for updates. Not all apps are from the Mac App Store and some may have been downloaded directly from the developer's website. Make sure there are no updates waiting to be installed. Apps installed from the Mac App Store are easy and opening the Store app and selecting Updates in the sidebar will find any that are available. Developers have to produce updated apps that fix the problems.Ĭheck for app updates. Check for app updatesĮvery time Apple updates macOS, there is always a small number of apps, usually utilities, that are incompatible with it, or they do not support some new feature in macOS. It is OK to ignore the warning because it is not a disk error. Microsoft OneDrive is using this flag for the Files On-Demand feature. If Disk Utility displays a lot of warnings like inode_val_object (oid 0x116d11): invalid bsd_flags (0x10), don't panic. Everything should be OK and if it is not, run First Aid again. Afterwards, click Show details to see the results. It could take a minute or two depending on the drive.

Select the Mac's internal disk drive on the left and then click the First Aid button in the toolbar.

You don't want to make major changes to the system if there are damaged or corrupt files because it could result in disaster.Ĭlick Go > Utilities and run Disk Utility. The first task to perform when getting ready to install a new version of macOS like Catalina is to check that the Mac's disk is in good health. It also ensures there will be no problems.įor the rest of us, upgrading macOS is a task we have to perform every year and there is a right way to do it and a wrong way. If you are considering buying a new Apple MacBook or iMac desktop, and the launch date of a new version of macOS is close, put off your purchase until after the launch and it will save you the hassle of upgrading. One way to get macOS Catalina is to buy a new Mac of course. New Macs from September 2019 onwards run the latest macOS and come with it preinstalled. There is a saying, hope for the best but prepare for the worst. How do you prepare your Apple Mac for Catalina, the next version of macOS? Do you need to do anything? Yes.