After signing up to the 90 day free trial, you will receive an email containing your Product Keys and download links for all three apps. After installing and launching the app for the first time you will be prompted to enter a Product Key or Start a 10 day trial. You will need to click the I have a product key button and enter your 90 day trial product key - the app will show you how many days of your trial period are remaining and you can click Continue Trial to start using the app. Whenever yo