Not possible to create Relive videos on the PC
Relive is not available as an app for your desktop computer.
It is not possible to create or edit Relive videos on the Relive website. You need the Relive app on your phone to transform your activities into epic videos.
On the Relive website you can download GPX files, update your settings, and read more about Relive.
Relive is available as an app for both iOS and Android.
There are no plans to introduce a desktop app version.