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. There are several points to consider before attempting the upgrade to Big Sur. Learn about compatibility and how to identify your specific Mac modelĭon't use FireFox or WaterFox for this link. These Mac models are compatible with macOS Big Sur:

How to upgrade to macOS Catalina – Apple SupportĪnd caution on 10.15 or higher, to see which Apps will no longer work in 10.15 get Go64.ģ5.5GB available storage on macOS Sierra or later*įor details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Catalina: Some features require a compatible internet service provider fees may apply.įor details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. MacOS Catalina 10.15.7 - Technical Specificationsġ2.5GB of available storage (OS X El Capitan 10.11.5 or later)*

Mac Pro (Late 20 and Mid 2012 models with recommended Metal-capable graphics cards) These Mac models are compatible with macOS Mojave: Some features require a compatible Internet service provider fees may apply.įor details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. Some features require an Apple ID terms apply. MacOS Mojave 10.14.6 - Technical Specificationsġ2.5GB of available storage (OS X El Capitan 10.11.5 or later)* I would myself, but make certain you have good backup first.

How to get mac big sur