Point # 7 - Do you have a Rescue Plan In-Place. Point # 6A - To check for 32 bit Applications - a good application to use is Go64 - safe to use. These include Applications, Extensions and Drivers for any devices. Point # 6 - If upgrading from Mojave and earlier versions of macOS - Remember that Big Sur does not support anything 32 bit. Same goes for Third Party Drivers for Printer, Scanners etc. Check with the Developer for compatible Apps / Extension or do they offer updates. Point # 5 - Are the installed Applications / Extensions compatible with Big Sur. Point # 4 - Does the intended computer qualify for the upgrade. Apple States Requiring 35.6 GB of Empty Space but suggest 50 GB Point # 3 - What are the System Requirements ie: Empty Space Requirements specific to the Big Sur. Otherwise - ones Privacy and Security touted by the VPN is suspect. Point # 2 A - Commercial VPNs should only be used if Mandated by Corporate Head Office for working remotely. The Built-in Security of Big Sur is all that is required. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation. Point # 2 - Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They should be resolved prior to upgrading - they may carryover to Big Sur making the system unstable / unusable. Point # 1 - Are there pre-existing Unresolved Software Issues. The most important is Due Diligence on the part of the User and is a Prerequisite for a smooth upgrade. If you’re using Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first before you could upgrade to macOS Catalina.There are several points to consider before attempting the upgrade to Big Sur. Or you can get the latest macOS Catalina on the App Store for other versions including High Sierra (10.13), Sierra (10.12) or El Capitan (10.11). Check this article to know how to update software on Mac. To do this, click Apple menu > System Preferences, and then select Software Update. If you’re using macOS Mojave, then you need to update software to get MacOS Catalina. If you are using a Mac notebook, you need to plug it into AC power. Get connected to the networkĪs downloading and installing macOS is going to take time, you need to ensure stable Internet connection. In addition to that, you can also try best backup software for Mac, disk cloner software, or cloud-based services to take backup of important data. You can create a Time Machine backup and restore it when needed easily. It will help you get back to the old version of Mac if something goes wrong with the upgrade. Now that you are ready to upgrade to Catalina, it’s wise to make a backup before any upgrade. The installer will let you know if your device is not compatible with macOS Catalina. If you are running from Lion or Mountain, you need to upgrade to El Capitan first before you upgrade to macOS Catalina. If you using any of these Mac models, then Some features require an Apple ID terms apply.Some features of Catalina may require a compatible Internet service provider.18.5GB of storage space when upgrading from OS X Yosemite or earlier.12.5GB of available storage with OS X El Capitan 10.11.5 or later.If you are running OS X Mavericks or later, you can upgrade to macOS Catalina. Will find macOS name and its version number. To check which macOS version is installed Which macOS version is installed on your Mac? With macOS Big Sur, Apple is set to offer you better user experience and more features it is worthwhile to try macOS Catalina today. It is powerful software version offered by Apple to offer enhanced performance. Here, you can enjoy your favorite iPad apps on your Mac. With iPad and Apple Pencil, you can enhance your creativity and extend your workspace. You can upgrade to Apple macOS Catalina to experience TV, music, and podcasts in three all-new Mac apps. MacOS Catalina is designed to deliver better user experience with lightweight software. Learn how to download and install macOS Catalina.
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