Step 1: If you don't already have one, sign up for an ActBlue account.
Step 2: Configure and publish your Contribution Form on ActBlue. Learn how to Create and Customize Contribution Forms on ActBlue Support.
Step 3: Copy the URL of the published Contribution Form, and have it ready.
Step 4: Follow the steps in How to Configure Your Donation Amounts.
Keywords: actblue, integration, donation, fundraising