So you've finally decided on a placement for your ad. The next step is to select that placement during campaign creation on Facebook.
To do this, log in to your Facebook Ads Account or Business Manager and click 'Create Campaign.'
From there, select your objective and choose where you want your ad to run. If you're running your ad on multiple platforms, make sure to select the appropriate one.
Navigate to the Placement section.
You'll see that Automatic placements are already pre-selected.
You can click on edit placements to include or exclude placements, if you want to.
You should see a box next to the ad placements allowing you to include or exclude. If you don't see the box, your objectives don't support that ad placement.
You can click on Devices to restrict your ad to mobile or desktop, and you can also select specific devices.
Note: if you choose in-stream video ad placement, your ads can appear on live streams. However, these live streams only include approved gaming partners. So, if you're not interested, select 'Don't show ads in these live streams.'