I am not able to update my macbook air to the latest version
Team I am not able to update to the latest version of the macbook. Please assist
MacBook Air 13″, macOS 10.13
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Which MacBook Air model do you have? Depending on your model, the hardware might not support any higher macOS version.
Als make sure, to have enough free space available for the upgrade.
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Check compatibility
macOS Monterey is compatible with the following computers. If your Mac isn't compatible, you might be able to install an old version of macOS instead.
MacBook introduced in 2016 or later
MacBook Air introduced in 2015 or later
MacBook Pro introduced in 2015 or later
Mac mini introduced in 2014 or later
iMac introduced in late 2015 or later
iMac Pro introduced in 2017 or later
Mac Pro introduced in 2013 or later
View the complete list of compatible computers.
If upgrading from macOS Sierra or later, your Mac needs 26GB of available storage to upgrade. If upgrading from an earlier release, your Mac needs up to 44GB of available storage.
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copied from: How to upgrade to macOS Monterey - Apple Support