1. Sign Up/Login: First, sign up or log in to your Bitly account. 2. Paste URL: Paste the long URL you wish to shorten in the provided field. 3. Customize: Customize your link, if desired, to align with your brand or campaign. 4. Generate: Click the "Shorten" button to generate your Bitly link. 5. Copy and Use: Copy the shortened URL and insert it into your email content.