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title: GOV.UK Frontend
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# GOV.UK Frontend

GOV.UK Frontend provides the elements developers need to create consistent, easy to use, fast and secure government services.

Use this technical documentation to find out how to:

- [install GOV.UK Frontend](/installing-with-npm/)
- [use Nunjucks](/use-nunjucks/) as an option to generate the HTML for pages and components
- [configure components](/configure-components/) to customise their behaviour
- use the [JavaScript API reference](/javascript-api-reference/) and the [Sass API reference](/sass-api-reference/)
- use previous versions of GOV.UK Frontend such as [GOV.UK Frontend v4.x](/v4/)

You can also use the option to [copy and install precompiled files](/install-using-precompiled-files/) to test how GOV.UK Frontend works in your application.

There are live examples of GOV.UK Frontend components, and guidance on using them in your service, in the [GOV.UK Design System](https://design-system.service.gov.uk/).

[Contact us](https://design-system.service.gov.uk/get-in-touch/) if you have any questions or feedback.