Can't be opened because it is from an unidentified developer Mac OS Sierra?

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Tags

1. #developer
2. #dialog
3. #apple
4. #registered
5. #unidentified
6. #macos
7. #wrong
8. #sierra
9. #necessarily
10. #warning
11. #choose
12. #identified
13. #doesn
14. #something
15. #click
16. #control
17. #shortcut