Download Apple Security Update 2019-003
File: SecUpd2019-003HighSierra.dmg (303.30 Mb)
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Apple Security Update includes the latest security updates for your Mac Apple's Security Update is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update....full software details
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Apple Security Update is offered as a free download.
Support Information
Apple Security Update support is available ONLY from its developer.
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