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Download macOS High Sierra 10.13.3 Update

The macOS High Sierra 10.13.3 improves the security and stability of your Mac, and is recommended for all users. ​

 

This update:

 
    • Addresses an issue that could cause Messages conversations to temporarily be listed out of order
 
For more detailed information about this update, please visit: https://support.apple.com/kb/HT208375
For detailed information about the security content of this update, please visit: https://support.apple.com/kb/HT201222
 
Which update should I install?
Choose the macOS High Sierra 10.13.3 update that corresponds to your Mac:

 

 
 
 

File Size: 2 GB

System Requirements Supported Languages