Make your first video

This quickstart takes you from a new project to a finished MP4, social posts and cover images. Most of the time is Claude building the video, and you don't have to watch it.

#Before you start

• DemoVexa is installed and set up. See Install and First-run setup.
• Your workspace has an app code folder and has been analyzed. See Workspaces.
• Your logo and colours are in the workspace's Brand tab. See Brand and design.

#How long it takes

#1. Create the project

1. Click New project in the sidebar, or press ⌘ N (on Windows/Linux Ctrl N).
2. Pick a type. Feature Demo is selected by default.
3. Enter a Project name.
4. Under What's it about?, write one line about the video, such as the feature you want to show.
5. Check the Language. It defaults to the workspace's video language.
6. Click Create and write the brief.

More: Projects.

#2. Check the brief

Claude writes the brief from your idea, your how-to guides and your app's code, and lists the sources under "Based on:".

1. Read The story and The one thing viewers should remember. Edit anything that's off.
2. Add real figures under Facts and numbers we can say. Claude won't invent numbers.
3. Under Format & feel, check the Platform, Formats, Tone, Length and Call to action. Each extra format adds build time.
4. Click Write my script.

More: Brief.

#3. Approve the script

1. Read the voiceover Lines and their on-screen captions. Edit, reorder or delete lines as needed.
2. Check the Title card and the End card, including the tagline and button.
3. Click Approve script, choose a voice.

More: Script.

#4. Generate the voiceover

1. Pick a voice from the ElevenLabs voices list, or keep the current one. You can play samples first.
2. Click Generate voiceover and listen to the lines.
3. Click Animate with Claude.

The voice comes before the animation because the animation is timed to the spoken words. More: Voice.

#5. Build the video

1. Click Plan the scenes. Claude plans each scene in 1 to 3 minutes.
2. Review the Scene plan: the screen, what happens and the caption for each scene. Change what you want.
3. Click Approve & build.

Claude now builds the video. It reads your app's code, recreates your screens, times the clicks to the voice, checks stills of its own work and renders a half-resolution preview. This usually takes 15 to 30 minutes.

When the preview is ready, watch it. To change something, click Ask Claude for changes and describe it. More: Animate.

#6. Render and download

1. Click Go to export.
2. Work through the Ready to render? checklist. Each open item has a Fix link.
3. Under Render, tick the formats you want.
4. Click Render video (or Render N videos). Renders run in the background.
5. When a render finishes, click MP4 to download it.

Videos are MP4 (H.264, 30 fps): Reel 9:16 at 1080×1920, Landscape 16:9 at 1920×1080 and Square 1:1 at 1080×1080. More: Export.

#7. Write the posts and covers

1. Click Write the posts.
2. Open the LinkedIn, Instagram or YouTube tab and click Copy post or copy the fields you need.
3. For a blog post, open the Blog tab and click Write the blog post.
4. In the covers card, click Make the covers for a YouTube thumbnail, a LinkedIn cover and an Instagram Reel cover.
5. Click Download PNG on each cover you want.

More: Publish.

#Next

• Make several videos at once
• Find video ideas
• Troubleshooting