hi have formmated my mac and Os x version 10.9.5 is it's Os and it reject anu trial to be updated to yesimite can any body help me ?
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Check to make sure your applications are compatible.
El Capitan 10.11 Compatibility information
macOS Sierra 10.12: Compatible Apps
Also check to make sure there is a compatible driver for your printer.
Do a backup before installing, preferable 2 backups on 2 different drives.
Yosemite is no longer available from the AppStore, try El Capitan:
It looks like you are trying to install an update rather than an upgrade. Use this link to get the full installer:
If your computer can run Sierra or High Sierra, you won't be able to download El Capitan on that computer.
If your Mac is hardware compatible with High Sierra, then you may be blocked from installing El Capitan.
But it appears the OP is trying to download an Update, that's why I circled it in red.
hi have formmated my mac and Os x version 10.9.5 is it's Os and it reject anu trial to be updated to yesimite can any body help me ?