This should provide you with reference materials for getting started and getting paid.
I've checked and see you haven't logged any time on your Hourly contract so far. You need to install and use the Team App to record your work on Hourly jobs. It will allow you to accurately log hours which are in turn covered by Upwork's Hourly Payment Protection Program, and you are paid for the hours worked on a weekly basis. Since you can't add time to previous weeks' Timesheets retroactively, ask your client to make a bonus payment for the time you spent working on this contract.
Please check this video and this Help article, download, install and learn how to use the Upwork Team App. You can also find more information about working and getting paid on Hourly jobs here and here.
Let me also share a few other resources that you may need as a new freelancer on Upwork. You can find valuable information in the Getting Started as a Freelancer section of the Help Center and by reading "A Freelancer's Guide to Upwork". I also suggest watching our educational videos and reading the best practice advice shared by other users:
To help you work safely on Upwork, please have a look at tips and warning signs shared in this thread.