If you aren't sure which preset to use, you can simply drag a video clip into an empty timeline. Premiere will ask if you want to "Change sequence settings" to match the clip's properties automatically.
Understanding is the foundation of a smooth editing workflow. In this guide, we’ll break down what they are, which one you should actually choose, and the one trick that sets the settings for you automatically. adobe premiere pro sequence presets
The you are editing this video for (YouTube, TikTok, TV, etc.) I can give you the exact settings to use for your project! How to Use Sequence Presets in Adobe Premiere Pro If you aren't sure which preset to use,
If you frequently work with specific settings, you can save them as custom presets: we’ll break down what they are