# Page Not Found

The URL `admin-help/sign-up-for-prequilt/using-a-promo-code` does not exist.

You might be looking for one of these pages:
- [Using a promo code](https://help.prequilt.com/admin/sign-up-for-prequilt/using-a-promo-code.md)
- [Sign Up for PreQuilt](https://help.prequilt.com/admin/sign-up-for-prequilt.md)
- [Friends of PreQuilt](https://help.prequilt.com/featured-on-prequilt/friends-of-prequilt.md)
- [Finding a Digital Coloring Page](https://help.prequilt.com/prequilt-features/using-digital-coloring-pages/finding-a-digital-coloring-page.md)
- [Changing Subscription Plans](https://help.prequilt.com/admin/subscription-management/changing-subscription-plans.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://help.prequilt.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://help.prequilt.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/admin/sign-up-for-prequilt/using-a-promo-code.md`)
- Use `Accept: text/markdown` header for content negotiation