I checked and it looks like your account has already been accepted. You should be able to send proposals to jobs on the general marketplace. Please make sure you check resources in this post to help you get started.
As a gentle reminder, please note that your profile must represent you as an individual and that all the information in your profile including your profile photo needs to be accurate, truthful and verifiable. Please check this help article for more information on how to update your profile photo.
I checked and can confirm that your account was accepted. Welcome to Upwork!
For help getting started, please read up on the freelancer resources for great tips and insights on how you can work successfully on the platform. For more information about working safely through Upwork, please read these tips for avoiding questionable jobs.
I hope this helps, and good luck!