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Before installation it may be required to disable Apple's Gatekeeper temporarily. This can be done in the Security & Privacy preference pane of the OS. To restore the Anywhere option in OSX 10.12, execute the following command in the Terminal application and reopen the Security & Privacy preference pane:

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  When opening just:live or just:play for the first time, the applications will be verified by the operating system. Usually this process takes up to three minutes. If the verification should not be possible, please follow those steps:

1. Open the Terminal application.
2. Enter "sudo spctl --master-disable" (without quotes) and press the enter key.
3. You will be asked for the admin password. Enter it and press the enter key.
4. Close the Terminal application.
5. Go to the System Preferences.
6. Click on Security & Privacy.
7. Unlock the preference pane.
8. At the bottom of the General tab select Allow apps downloaded from Anywhere.
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9. Close the System Preferences and open just:live or just:play.
10. You may revert the setting after

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1. a first successful launch of just:live and just:play.

Installation from the Disk Image

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