1. Log in to Ads Manager. Then, click the menu in the top left corner and select Pixels.
2. Click Create Pixel, name your pixel, and click Create.
3. Select the ad accounts you’d like to share the pixel with by typing the ad account name in the search box.
4. Click Set Up Pixel and select Pixel Code.
5. Select a business category and customise the rest according to your needs, or leave them the same. Finish the procedure.
6. Now you can see your Pixel Code there.