Learn how to change your Schwab Alliance login ID Read Transcript Open new window Transcript of the video: Upbeat music plays throughout. Narrator: You can change your Login ID on Schwab.com in a few steps. Select the profile icon, then select Security Settings. Under Security Credentials, select Change Login ID. A pop-up window will appear. In that new pop-up window, you'll enter a new Login ID that you'd like. Important guidelines appear on the right. All checkmarks will turn green when your new Login ID meets the necessary security criteria. Select Submit, and that's it. Your Login ID is changed.