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Unable to install software updates via system preferences or app store

The icon for "Software Update" is missing in System Preferences. With this option missing I can not update my system with latest patches of system and application software.


Using the top Apple menu item "About This Mac" provides a button "Software Updates...", however, this opens the "App Store" application only. And then states no updates available. However, this isn't the case as I am still using an older version OS X Yosemite 10.10.5.


I'm unable to use certain features on my mac now, as I need to update.


Any help or support is appreciated.

MacBook Pro 13″, OS X 10.10

Posted on Jun 23, 2021 1:22 AM

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Question marked as Top-ranking reply

Posted on Jun 23, 2021 1:30 AM

The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.


With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. Make sure to use Only Safari to commence the download as Other may not work


Make a Time Machine Backup Before attempting. Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina and Big Sur Only support 64 bit and there is not workaround.


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 and may even Corrupt the OS requiring a Reinstallation.

6 replies
Question marked as Top-ranking reply

Jun 23, 2021 1:30 AM in response to megwan123

The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.


With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. Make sure to use Only Safari to commence the download as Other may not work


Make a Time Machine Backup Before attempting. Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina and Big Sur Only support 64 bit and there is not workaround.


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 and may even Corrupt the OS requiring a Reinstallation.

Jun 30, 2021 6:03 AM in response to shwetarangnekar

macOS Big Sur is compatible with these computers


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 - they 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 and may even Corrupt the OS requiring a Reinstallation. 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 - If upgrading from Mojave and earlier versions of macOS - Remember that Big Sur does not support anything 32 bit. These include Applications, Extensions and Drivers for any devices. There is no workaround.


Point # 7 - Do I have a Rescue Plan In-Place. This comprises having 3 Backups using 2 methods and 1 Off Site incase of Theft, Loss or Natural Disasters. A Time Machine Backup  is very useful and can be used to Revert to Previous Working macOS. For addition purposes - two Tested Bootable Clones each to separate external drives. This is insurance incase the upgrades goes sideways. At least one Tested Clone and / or Time Machine Backup should be Off - Site


Point # 8  - 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.

Jun 23, 2021 1:47 AM in response to PRP_53

Thank you, that's really helpful. However, on checking the list of old versions of macOS/what's compatible with my computer. I still can't download any previous versions, as they aren't showing up in App store when searched. The only one that is visible is MacOS Big Sur, which I am unable to download. Not sure if you know how to get around this problem? Many thanks!

Unable to install software updates via system preferences or app store

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