Can iMac 2009 run Sierra?

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Can iMac 2009 run Sierra?​

Mac Hardware Requirements MacBook Pro (Mid 2010 or newer) MacBook Air (Late 2010 or newer) Mac mini (Mid 2010 or newer) iMac (Late 2009 or newer)
Can a 2009 Mac Run High Sierra?
Mac Hardware Requirements These Mac models are compatible with macOS High Sierra: MacBook (Late 2009 or newer) MacBook Pro (Mid 2010 or newer)

What OS can I run on iMac 2009?​

What Os Was Installed On 2009 Imac?
Can a 2009 iMac be upgraded to High Sierra?
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: MacBook (Late 2009 or newer) MacBook Pro (Mid 2010 or newer)
Can I Upgrade My 2009 Imac To High Sierra? MacBook: MacBook versions from late 2009 to 2014. MacBook Pro: Mid 2010 or later. They are compatible with macOS High Sierra.
What is the oldest Mac that can run High Sierra?
In short, any Mac from 2009 or newer has the configuration to support macOS 10.13 High Sierra. This comes to support Apple’s credo that any device made more than 7 years ago is too old and obsolete to support the newer capabilities in software development.

Can a 2009 iMac be upgraded?​

Apple considers the memory in the “Late 2009,” “Mid-2010” and “Mid-2011” Aluminum iMac models — all Aluminum iMacs with 21.5-Inch and 27-Inch displays and flat sides — to be a “customer installable part” but the hard drive is not intended to be upgraded by end users.
How do I install High Sierra on my iMac early 2009?
Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”. Boot from the USB drive by holding down the option key after reboot. Install macOS normally, reboot back on the installer drive, and then open the “macOS Post Install” application.

How long will a 2009 iMac last?​

Given how much it costs to purchase an iMac, you’d want it to last forever. But just like everything in this world, it has a limited lifespan. How long it can last will depend on how you use it, of course. If you want a ballpark, it should last give or take 7 to 8 years.
Can you upgrade a 2009 iMac?
If you are referring to updating macOS, follow this link: How to get old versions of macOS – Apple Support. If you have a Late 2009 iMac, download macOS High Sierra 10.13. If you have an Early 2009 download OS X El Capitan 10.11. A late 2009 iMac cannot be upgraded beyond High Sierra 10.13.
2010 or newer models: In short, any Mac from 2009 or newer has the configuration to support macOS 10.13 High Sierra. This comes to support Apple’s credo that any device made more than 7 years ago is too old and obsolete to support the newer capabilities in software development.
Is iMac late 2009 still good?
Apple considers 2009 iMacs as “Obsolete” and so should you. Many newer applications won’t even load or run on an 11 year old computer. This would include modern web browsers and that would make your computer and personal data at risk.