# Seelen UI > Seelen UI is a free, open-source Windows desktop customization application. This website is the official hub for downloads, documentation, a community resource marketplace (themes, widgets, wallpapers), a blog, and the Seelen Sky premium subscription service. Seelen UI lets users fully customize their Windows desktop environment — taskbars, launchers, widgets, and more — through a modern, accessible interface. The website supports 70+ languages and serves a global community of power users and developers. ## Product - [Seelen UI App](https://seelen.io/apps/seelen-ui): Overview, features, and download links (Microsoft Store, GitHub releases, standalone installer). - [Releases](https://seelen.io/apps/seelen-ui/releases): Full version history and release notes. - [Seelen Sky](https://seelen.io/sky): Premium subscription tier with cloud sync, exclusive widgets, and an ad-free experience. ## Resources Marketplace - [Resources](https://seelen.io/resources): Community-created themes, widgets, and wallpapers compatible with Seelen UI. Users can browse, filter by category, and download directly. ## Blog - [Blog](https://seelen.io/blog): Articles and updates published by the Seelen team and community contributors, sourced from the [seelen-inc/sl-blogs](https://github.com/seelen-inc/sl-blogs) GitHub repository. ## Tools - [Video to GIF Converter](https://seelen.io/tools/video-to-gif): Browser-based tool to convert video clips into animated GIFs. - [Loader Tool](https://seelen.io/tools/loader): Utility for loading and previewing Seelen UI configurations. ## Support & Community - [Help](https://seelen.io/help): Support resources, FAQ, and links to the community Discord. ## Legal - [Terms of Service](https://seelen.io/terms-of-service) - [Privacy Policy](https://seelen.io/privacy-policy) - [Cookie Policy](https://seelen.io/cookie-policy) - [Refund Policy](https://seelen.io/refund-policy) ## Optional - [GitHub Repository (App)](https://github.com/eythaann/Seelen-UI): Source code for the Seelen UI desktop application.