Know how to activate your Mobile Security for iOS using an existing Trend Micro Account.
You can only create a Trend Micro account when you register a Trend Micro program. There is no way to create an account without activating an app. If you are trying to activate the Trend Micro Mobile Security without an existing Trend Micro Account, select the option to Create an Account instead of Sign-in.
NOT YET INSTALLED? For instructions on how to install and activate your Mobile Security for iOS, refer to this Knowledge Base article: How to install Mobile Security for iOS.