- Install and activate the /Plugins/Twitter.zip (included with the main theme files package) plugin via the Plugins menu in your WordPress admin Dashboard.
- Visit the Settings / OAuth Twitter and fill the necessary fields with the data of your Twitter Application (that you can create here: https://dev.twitter.com/apps/new)
- If everything has been filled properly, the "Latest Tweets" column on the right should start displaying posts from your Twitter account.
- Now you may drag and drop the "Latest Tweets" widget into on of your sidebars via the Appearance / Widgets menu.