You can join a Zoom meeting as a guest, without creating a Zoom account. Here's how:

1. Receive a meeting invitation: Get a meeting invitation from the host, which includes the meeting ID, password (if required), and meeting link.
2. Click the meeting link: Click the meeting link provided in the invitation. This will open the Zoom meeting in your web browser.
3. Enter your name: Enter your name and email address (optional) to join the meeting as a guest.
4. Join the meeting: Click "Join" to enter the meeting. 

Note that some features, such as screen sharing, recording, and hosting meetings, require a Zoom account.