Under the "My Profile" menu item, you will find two tabs: User Profile and Preferences.
Under the User Profile tab, you can edit your first and last name and your phone number(s) by clicking on the respective fields in the form (as seen below) and entering in the correct information.
You can also change your password from this screen. If you click on the "Click to reset password" link, this screen will pop up:
You can enter a new password that follows the rules above.
Press the "Update Profile" button to update the information in your profile
If your Site Owner has enabled editing of Preferences, you can go to the Preferences tab to update when you will be reminded. As seen in the image below, can you check whether or not you want daily reminders, choose the days you will be reminded on, set the reminder time, and whether or not you want to include this in the Staff Directory.
Press the Update User Preferences button to save these changes.
If you get a message saying that your preferences have been locked (as shown below) email your Site Owner to enable this feature.