How to speed up or slow down a video on Windows 11?

The built-in Photos app provides a simple way to adjust video playback speed without installing additional software. It is suitable for quick edits when you want to make a clip play faster or slower before saving a new copy. This offers an easy solution for how to speed up or slow down a video using tools already included with Windows.

The software used for this task is Photos App. Open the video, click Edit (the pencil icon), select Speed, and adjust the slider to the desired playback speed. After previewing the result, click Save a copy to export the edited video while leaving the original file unchanged.

Because the Photos app is designed for basic editing, it only provides preset speed options instead of precise custom values. However, for users who need how to speed up or slow down a video without installing third-party software, it offers a quick and convenient built-in solution.