Duets allow you to post your own video beside another TikTok, as long as the feature is enabled by the original poster.

Ready to collaborate, react, or add your twist to viral content? TikTok’s Duet feature lets you create split-screen magic effortlessly. Here’s your no-fluff guide to mastering it. For Others’ Videos: ...

Find the post you want to Duet. Click the “Share” button, which is the pink arrow below the bookmark icon on the bottom right of the screen. Click the “Duet” button. In some cases, a user may not ...