You can take and display a test on your profile or add a portfolio item to bring your profile to 100%. You may also want to add more information about your skills and experience to your overview and remove links to your LinkedIn profile and other links with contact information as it's in violation of Upwork ToS.
Welcome to Upwork, Rasel.
When you log into your account, you'll see various fields and sections you'll need to complete before submitting your profile. You can check this video for more information about how to complete your profile and feel free to explore other resources linked in this post.