> For the complete documentation index, see [llms.txt](https://docs.upsellwp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.upsellwp.com/installation-and-updates.md).

# Installation & Updates

- [Installation](https://docs.upsellwp.com/installation-and-updates/installation.md): Welcome to the UpsellWP Plugin Installation Guide. UpsellWP is a powerful WordPress plugin designed to help businesses boost their revenue by offering seamless upsell and cross-sell opportunities.
- [Updates](https://docs.upsellwp.com/installation-and-updates/updates.md): Welcome to the UpsellWP Plugin Update Guide. Keeping your UpsellWP plugin up to date ensures you have access to the latest features, performance improvements, and security enhancements.
- [License key Validation](https://docs.upsellwp.com/installation-and-updates/license-key-validation.md): Welcome to the UpsellWP License Key Validation Guide. Activating your license key is essential to unlocking the full potential of the UpsellWP plugin, including premium features and automatic updates.