As per Apple's documentation:
In the project navigator, select
Select your target
Select the 'Build Phases' tab
Open 'Link Binaries With Libraries'
Click the '+' button
Select your framework
(optional) Drag and drop the added
framework to the 'Frameworks' group
Another easy way to do it so that it is referenced in the project folder you want, like "Frameworks", is to:
Select "Show the Project navigator"
Right-click on the project folder you wish to add the framework to.
Select 'Add Files to "YourProjectName"'
Browse to the framework - generally under /Developer/SDKs/MacOSXversion.sdk/System/Library/Frameworks
Select the one you want.
It will appear in both the project navigator where you want it, as well as in the "Link Binary With Libraries" area of the "Build Phases" pane of your target.
The frameworks directory is as follow in my computer:
not the directory
Follow below 5 steps to add your framework
Click on Project Navigator.
Select Targets (Black arrow in the below image).
Select Build phases ( Blue arrow in the below image).
Click on + Button (Green arrow in below image).
Select your framework from list.
for more details you can go here