Go to https://gcss.net/exhibitor-account-creation/ to create an exhibitor account.
When redirected to the login page, login in with the username and password you just created. If you are not redirected, the url for login is https://gcss.net/login
Once you are logged in you will be presented with the screen below
Click on Upload Ads or Upload Logos as indicated above specific to what you’re uploading. A new window will open with Google Drive. Upload your assets here.