As you know, Teams is the core collaborative tools provided by Office 365, allowing your end-users setup project sites to host files, applications and chats needed for their projects.
Well, you can now use Teams to schedule and host webinars.
This capability is offered for Office 365 or Microsoft 365 E3/E5/A3/A5/Business Standard/Business Premium subscriptions.
You can use both desktop and web Teams client to schedule these webinars.
When setting up a webinar, end-users will be able to add registration page for both inside and outside people of your organization.
The registration page provide all the information required to join the webinars, as well as the speaker(s) (you can even include a speaker bio) and fields for registration; by default only First and Last Name and email address are provided but you can add more fields
Once all done, click the Save button to have the registration page setup; then close the registration page and hit the Send button in Teams client
Once the webinar has been sent, you can adjust the options by opening the webinar event in Teams and get the registration link to share