To record a video with audio on your desktop using Tella, first, you need to download and install the Tella application on your computer. Once installed, open the application and click on the 'Record' button. You will be prompted to select the screen or application window you want to record. Make sure to enable the 'Microphone' option to record audio along with the video. Click 'Start Recording' to begin.

After recording, you can edit your video using Tella's built-in editing tools. Click on the 'Edit' button to open the editing interface. Here, you can trim or cut parts of the video, add text or annotations, and adjust the audio levels. You can also add effects or transitions to enhance your video. Once you're satisfied with your edits, click 'Save' to apply them.

Finally, you can share your video directly from Tella. Click on the 'Share' button and choose the platform where you want to share your video. You can also choose to download the video to your computer or upload it to cloud storage. Enter the necessary details, such as the recipient's email or the destination folder, and click 'Send' or 'Upload'. With Tella, recording, editing, and sharing videos is easy and convenient.