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I'm using Mojave 10.14.6 on a MacBook Pro (15-inch, 2018) model.
"Software Update" in the settings tells me "Your Mac is up to date". But it's not Big Sur.
What could be going wrong ?
MacBook Pro 15″, macOS 10.14
There seem to be differences between systems. I'm on Catalina, which doesn't have 'Systeem Update'; searching on 'Big Sur' in the App Store brings it up OK. Are you sure you weren't trying to access an update to it, which would require it to be installed in the first place?
Try https://itunes.apple.com/app/macos-big-sur/id1526878132 - you will need to do this in Safari to get it to open the App Store.
There seem to be differences between systems. I'm on Catalina, which doesn't have 'Systeem Update'; searching on 'Big Sur' in the App Store brings it up OK. Are you sure you weren't trying to access an update to it, which would require it to be installed in the first place?
Try https://itunes.apple.com/app/macos-big-sur/id1526878132 - you will need to do this in Safari to get it to open the App Store.
How to upgrade to macOS Big Sur
Tips How to Upgrade to Big Sur
There are several points to consider before attempting the upgrade to Big Sur. The most important is Due Diligence on the part of the User and is a Prerequisite for a smooth upgrade.
The below points should all be consider Before attempting the upgrade.
Point # 1 - Are there pre-existing Unresolved Software Issues. They should be resolved prior to upgrading - many will / may carryover to Big Sur making the system unstable / unusable.
Point # 2 - Are there any AntiVirus, Disk Cleaner, Optimizers, Defrag, VPNs etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS. The Built-in Security of Big Sur is all that is required.
Point # 3 - What are the System Requirements ie: Empty Space Requirements specific to the Big Sur.
Point # 4 - Does the intended computer qualify for the upgrade.
Point # 5 - Are the installed Applications / Extensions compatible with Big Sur. Check with the Developer for compatible Apps / extension or do they offer updates. Same goes for Third Party Drivers for Printer, Scanners etc.
Point # 6 - Do I have a Rescue Plan In-Place. This comprises having a Time Machine Backup and for addition purposes - two Tested Bootable Clones each to separate external drives. This is insurance incase the upgrades goes sideways
Point # 7 - To upgrade to Big Sur will require a quick, stable and reliable Internet Connection - preferred method is via Ethernet Connection. If not available and using Wifi - move computer as close to the Access Point / Router and disconnect all other devices connected to Wifi. Want the maximum bandwidth for the computer being upgraded to Big Sur.
Good Luck and come back to these Forums if there are questions, concerns or comments.
That's incorrect; I have a second MacBook pro model 2014 and I was able to update it from Mojave to Big Sur from "Software Update" in the settings.
Trying to install from the app store (which I tried before posting and before replying too) opens "software update" with this message:
Thanks for the answer though.
Running Catalina on iMac 2012 so not Big Sur for sure. Just tried from Apple Apps Store for Big Sur - Get and Get the Exact Same Error Message - but this was expected.
So . . machine in question is questionable
If I have the correct Mac Everymac.com thinks it can tsake the 'current OS':
so it's a bit odd. You could ask Support: https://getsuppport.apple.com
Moving to Big Sur is an upgrade, not an update ('updates' only update to the latest version of the system you are on and you are already there). You can install Big Sur from the Mac App Store.
Can't update to Big Sur on a 2018 model
