how to upgrade os x yosemite to mac os big sur ?
how to upgrade os x yosemite to mac os big sur ?
MacBook, OS X 10.10
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how to upgrade os x yosemite to mac os big sur ?
MacBook, OS X 10.10
Try it in steps...
See if you can upgrade to 10.11, 10.12, 10.13, 10.14, or 10.15, see sys requirements...
https://support.apple.com/en-us/HT206886
https://itunes.apple.com/app/os-x-el-capitan/id1147835434?ls=1&mt=12
https://support.apple.com/kb/sp742?locale=en_US
https://itunes.apple.com/us/app/macos-sierra/id1127487414?ls=1&mt=12
macOS High Sierra - Technical Specifications
General Requirements
Mac Hardware Requirements
For details about your Mac model, click the Apple icon at the top left of your screen, choose About This Mac. These Mac models are compatible with macOS High Sierra:
https://support.apple.com/kb/sp765?locale=en_US
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
https://support.apple.com/kb/SP777?locale=en_US
https://itunes.apple.com/us/app/macos-mojave/id1398502828?mt=12
Don't use FireFox for these links…
macOS Catalina - Technical Specifications
General Requirements
Mac Hardware Requirements
For 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:
https://support.apple.com/en-us/HT210190
https://apps.apple.com/gb/app/macos-catalina/id1466841314?ls=1&mt=12
And caution on 10.15 or higher, to see which Apps will no longer work in 10.15 get Go64...
https://www.stclairsoft.com/Go64/
macOS Big Sur - Technical Specifications
General Requirements
Mac Hardware Requirements
For 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 Big Sur:
Learn about compatibility and how to identify your specific Mac model
Don't use FireFox or WaterFox for this link. it'll mess it up...
https://apps.apple.com/us/app/macos-big-sur/id1526878132?ls=1&mt=12
And caution on 10.15 or higher, to see which Apps will no longer work in 10.15 get Go64...
Try it in steps...
See if you can upgrade to 10.11, 10.12, 10.13, 10.14, or 10.15, see sys requirements...
https://support.apple.com/en-us/HT206886
https://itunes.apple.com/app/os-x-el-capitan/id1147835434?ls=1&mt=12
https://support.apple.com/kb/sp742?locale=en_US
https://itunes.apple.com/us/app/macos-sierra/id1127487414?ls=1&mt=12
macOS High Sierra - Technical Specifications
General Requirements
Mac Hardware Requirements
For details about your Mac model, click the Apple icon at the top left of your screen, choose About This Mac. These Mac models are compatible with macOS High Sierra:
https://support.apple.com/kb/sp765?locale=en_US
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
https://support.apple.com/kb/SP777?locale=en_US
https://itunes.apple.com/us/app/macos-mojave/id1398502828?mt=12
Don't use FireFox for these links…
macOS Catalina - Technical Specifications
General Requirements
Mac Hardware Requirements
For 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:
https://support.apple.com/en-us/HT210190
https://apps.apple.com/gb/app/macos-catalina/id1466841314?ls=1&mt=12
And caution on 10.15 or higher, to see which Apps will no longer work in 10.15 get Go64...
https://www.stclairsoft.com/Go64/
macOS Big Sur - Technical Specifications
General Requirements
Mac Hardware Requirements
For 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 Big Sur:
Learn about compatibility and how to identify your specific Mac model
Don't use FireFox or WaterFox for this link. it'll mess it up...
https://apps.apple.com/us/app/macos-big-sur/id1526878132?ls=1&mt=12
And caution on 10.15 or higher, to see which Apps will no longer work in 10.15 get Go64...
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 Others may not work
If this computer Qualifies for Big Sur Strongly suggest upGrading to High Sierra first as there are many reposted issue moving directly from Yosemite to Big Sur. Once High Sierra is installed - then make the next step to Big Sur
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 no 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.
how to upgrade os x yosemite to mac os big sur ?