First you must have a verified user account and the file containing the work that you want to register in your computer. Log into your account an go to "REGISTER", then, the steps to follow are:
Step 1: Upload the file.
Select the Visual Arts work type, upload the work file (it can be several files with different works of the same type) selecting it or dropping it from your computer. Once uploaded, click "Continue”.
Step 2: Complete the work information.
The work's title (you can take it directly from the uploaded file name). Select what kind of license to apply to the work. Click "Next".
Step 3: Authorship / Rights.
Select whether you are the author or rights holder or if there are any coauthors. Click on “Finish registration”.