For enhanced security, changing your QuickBooks Online login password is crucial. Start by logging into your account. Navigate to your profile or account settings, usually found in the upper-right corner. Locate the "Security" or "Password" section. You may be asked to enter a verification code or to respond to security questions as part of the identity verification process. Once confirmed, you can create a new password. Ensure it's strong, with a mix of letters, numbers, and symbols.