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how do I upgrade my yosemite 10.10 to el capitan?
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how do I upgrade my yosemite 10.10 to el capitan?
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.
Back up your data, check your applications for compatibility, and click on El Capitan, High Sierra, Mojave, or Catalina.
Ronasara: All Macs running Yosemite are capable of El Capitan.
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Will it accept an upgrade? What year and model Mac do you have? Without this information, we can not provide an answer.
imac 2012 os x 10.10.5
upgrade