Yes, it is possible to create an online course using Wix. Wix offers a variety of features and tools that allow you to create and manage an online course. You can use the Wix Editor to design and customize your course website, add multimedia content such as videos and presentations, create interactive quizzes and assessments, and even set up a payment system to sell your course. Additionally, Wix provides options for student registration and enrollment, as well as communication tools to engage with your students. Overall, Wix provides a user-friendly platform for creating and hosting your online course.