Navigate to the root directory of your Unreal project using a file management system or command line and create a Plugins folder, if you don’t already have one.
Unzip the downloaded file and copy the SequencePlugin folder into your project’s Plugins folder.
Launch your project, then allow it to update the UProject Settings.
To find the SequencePlugin content folder in your content drawer enable show plugin content: Content Drawer > Settings > Show Plugin Content