You will be directed to your MYVERIZON.COM account to set up your secured password protected account.
Once signed in, Go To:
MyPlan & Services>
Send a Message
If you are not able to reach your Messaging page on the web: Go to Browser Settings> History and clear your browser CACHE and try again.
VERIZON MESSAGES FAQ: https://www.verizonwireless.com/support/verizon-messages-faqs/