[UPDATED] How To Get macOS Sierra Developer Update Without Developer Account

Hi guys, welcome back to Ask MHS and now I'll provide a tutorial about How To Get macOS Sierra Developer Update Without Developer Account. With this method your macOS Sierra will be set to get macOS Sierra Developer version of macOS Sierra.

How to do that?

Just use your Terminal App and run the following command.

Public Beta tester? Set the macOS Public Beta catalog:

If you’re part of the macOS Public Beta testing program and want to set that as the appropriate software catalog stream, use this:
sudo softwareupdate --set-catalog https://swscan.apple.com/content/catalogs/others/index-10.12beta-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

Registered Mac Developer? Set the OS X Developer Beta catalog:

If you’re a registered Mac Developer and you want to set the Mac Developer Beta software catalog stream, use this:
sudo softwareupdate --set-catalog https://swscan.apple.com/content/catalogs/others/index-10.12seed-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

Confirming the Software Update Catalog Change Worked

Once you have set the catalog to the appropriate URL, you can quickly verify the change was effective by using the softwareupdate command to list all available updates:
softwareupdate --list

How to Reset to the Default OS X Software Update Catalog

If you messed up the syntax or otherwise just want to reset back to the default software update catalog stream, use the following command string:
softwareupdate --clear-catalog

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