First you start the Twitter Poster feature

You select the account you want to use or type in your username and password. Click on login and wait until the software successfully logged in and shrinked the window.
Now you select what you wanna do!!! Select Unfollow.
Click on “I’m Following” and you will see a list with all accounts you are following
You can select or unselect accounts.
Select the accounts you want to unfollow. Select the delay between each unfollow. Hit the Start button
TWITTER TUTORIAL VIDEO: