Uploading a video to YouTube in HD is straightforward. First, ensure your video is recorded in high definition (720p or 1080p). Then, sign in to your YouTube account and click the "Create" button (camera icon) at the top right. Select "Upload video" and choose your HD file from your device. During the upload process, YouTube will automatically process your video in different resolutions, including HD. To ensure the best quality, enable the highest resolution available. For users looking for additional features like live streaming or enhanced content, you can use tv.youtube.com/start to access premium features and better reach your audience.