Macbook error Spss statistics installer cannot be opened because it is from an unidentified developer

Problem:

How to install SPSS on MacBook which errors “Spss statistics installer cannot be opened because it is from an unidentified developer”
When installing SPSS for Mac OS computers. Most cases you will not be installed due to the following error:
Spss statistics installer cannot be opened because it is from an unidentified developer.
Your security preferences allow installation of only apps from the Mac App Store and identified developers
As shown below:

Solution:

To solve it, go to Apple menu> System Preferences …> Security & Privacy> General tab


 Under the tab "Allow applications downloaded from:",this section has three types of settings
Allow applications downloaded from:
    +Mac App Store
    +Mac App Store and Identified developers
    +Anywhere
You should select ANYWHERE.
Then you can proceed to install SPSS on MAC easy.