Step 1: Login to your Amazon Advertising account
Step 2: Click on the "Create campaign" button
Step 3: Select Sponsored Brands campaign type by clicking on the "Continue" button under the tile
Step 4:
Step 5: Select Product collection from the ad formats.
Step 6: Select a products for which you have prepared a video ad.
Step 7: Upload your video with the specification required by Amazon.
Step 8: Add kw that you want to target. You can read further how to conduct kw research by clicking here, and more about different match types here. Good practice is to have all match types of one kw in one ad group. In this way you will avoid duplicating keywords for same product thus much easier ad optimization. In this section you need to assign bids to each keyword. Another good practice is to have different bids for different math types. For the exact you should have highest bids, for phrase match type 10% - 20% lower and broad match type 30%-40% lower than exact match type.
Step 9: This step is optional. You can add your brand kw as a negative if you have separate "Brand" campaign which will make it easier to measure your brand impact.
Step 10: To start the campaign click on the "Submit for review" button.