How to Connect Bit.ly to Revive Old Posts

Step 1. 

Sign up for a bit.ly account here: https://bitly.com/

Step 2. 

Click the menu button in the top right-hand corner of the bit.ly dashboard: Settings from the Bit.ly menu:

Then go to Settings->Advanced Settings and click the OAuth link:

Step 3.

Click Generic Access Token then input your password and click Generate Token:

After clicking the button a modal will open showing you your Generic Access Token, copy it and paste it into the Bit.ly credential area on the Revive Old Posts Dashboard:

Be sure to save your changes after adding the key so your links could be shortened!