To Buy ContactRescue (formerly Flashback) from your Gmail settings:
1. Go into the Plans & Billing tab in your settings.
2. Select the type of ContactRescue you want (1-year or 5-year)
3) Check the box next to the type of payment you want to use.
4) Click the "Buy" button and then enter the necessary payment information.
5) After you have paid, go into the "ContactRescue" tab of your Evercontact settings and click the "Launch" button to start rescuing your contacts.