In case you want to make sure that your ad is working as expected you have to follow the steps below.
Click on "New" in the top left corner and click on "Upload banner".
In the popup select an ad from your local machine. When the ad is uploaded, you'll see a new screen.
Select "Display" as the "Category".
Select "Standard" as the "Format".
Click on "Upload".
In the top right corner click on the "eye" preview icon.
You can now test your ad. If everything is correct, you can directly push your ads to your campaign. Follow the steps in this article to know how to achieve this.
We hope the information in this article was useful to achieve your goal. If there is anything else we can help you with and you couldn't find it in our help center, don't hesitate to contact us by chat.