How to disable the "unidentified Developers" issue

[FlyingTexan]

trying to install my flight logging software and it won't let me. In the securities tab there is no option to allow an unidentified developer. What do I need to do?

Thanks

 

[Floris]

http://www.macworld.com/article/309...e-not-from-the-app-store-in-macos-sierra.html

 

[keysofanxiety]

trying to install my flight logging software and it won't let me. In the securities tab there is no option to allow an unidentified developer. What do I need to do?

Thanks

Just right-click it and select 'Open'.