Hih Sierra

Is your Mac capable of upgrading?

See if you can upgrade to 10.12, 10.13, or 10.14, see sys requirements...

https://support.apple.com/kb/sp742?locale=en_US

https://itunes.apple.com/us/app/macos-sierra/id1127487414?ls=1&mt=12

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…

lijedy Said:

"Many attempts to to Upgrade From OSX EL Capitan 10.11.6 to High Sierra have failed. I am 92, not computer savvy. need help. We. Murphy”

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Verify Compatibility:

Age plays no part in this.🙂 But, with that put aside, start by verifying compatibility.

View the Year and Model of your Mac:

1. Go to: Apple Menu
2. Select: About this Mac...
3. View: the Year