does my macbook pro (retina 15inch mid 15) support this
does my macbook pro (retina 15inch mid 15) support this
MacBook Pro 15″, OS X 10.10
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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.
macOS Big Sur is compatible with these computers - If you computer is listed - Yes Big Sur is possible. If NO - follow directions below at Bottom of this reply
How to upgrade to macOS Big Sur
Tips How to Upgrade to Big Sur
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.