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Download Security Update 2017-001 (Yosemite)

Security Update 2017-001 is recommended for all users and improves the security of OS X.

For more information on the security content of this update see: http://support.apple.com/kb/HT1222
See http://support.apple.com/kb/HT5044 article for details on how to verify the authenticity of this download.

 

File Size: 495.2 MB

System Requirements Supported Languages