If you know your current password, follow these steps:

1. Go to https://mms.yorku.ca and login with your current credentials.
2. Under My Services, click on Passport York.
3. Click on the Change my password button in the right column.
4. Enter your current password and then the new password in the appropriate fields.
5. Click the Change my password button to save the change.

If you have forgotten your password, follow these steps:

1. Go to https://mms.yorku.ca
2. In the right column under Forgot your Password or Username, click on the appropriate link based on your current status.
3. A number of methods will be provided to you. Select the method that will best suit your need.