GKE2019 --
From your description of the problem, I believe you are using the new Project for the Web application. If this is the case, no, there is no desktop version of this application. Keep in mind that Project for the Web is for small and simple projects.
If you need a more powerful project management tool with many more features, you can purchase either Microsoft Project 2021 or Project Online Professional instead. Just a thought. Hope this helps.