You need this to get it done:
Action DetailsRequirements and how-to articles for Facebook's action:
Ratio: 9:16 to 16:9
File format: .mp4/.mov recommended, but most video file formats supported.
Maximum file size: 4GB
Maximum video length: 240 minutes
Objectives supported: All
A short description to accompany your video (maximum of 90 characters.)
Choose the target audience for your ad (gender, age, location, interests, etc.)
Duration and Budget
Choose how long you want your ad to run and what your daily budget is.
Choose currency, enter payment details and pay.