How to Open Unidentified Developer Apps in OS X Mountain Lion

OS X Mountain Lion restricts the app to be launched by default. This could be a real good feature if we accidently downloaded and opened a malicious app. But for the Advanced Users this is a pain. The requirement is, it must be from Mac App Store or else you'll get an error like "[APP NAME] can’t be opened because it is from an unidentified developer”.

There are two methods, though the easier and more secure way is:
1. Control + Click on the unidentified app
2. You'll see a dialog box like this 

3. Click on Open to Open the app.
Or Change the Gatekeeper settings.
1. System preferences from apple menu
2. Then Security and Privacy
3. Look for “Allow applications downloaded from:” and choose “Anywhere”

4. Accept the security warning and allow
5. You can now launch any app from any location or developer

For more advanced users, I would suggest you the latter method in which we are disabling the security of Mac OS X through Gatekeeper. Though for novice, I would suggest not to disable the inbuilt security. 

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