To start using Operation Timothy from your home or office or laptop computer just click on the "Resources" then Operation Timothy on the website menu. For mobile application, first, go to your device's App Store and input "CBMC" in the search bar. Select the one with the blue & orange icon titled "Marketplace Ambassadors". Hit the "Install" option (it's free), then when downloaded, you'll then log in and click in to create a new account.
Once set up, go to the menu and select "Operation Timothy". You can then scroll through the different books and chapters so to familiarize yourself with it.