# Download Button is not working

**URL:** <https://pdfjs.community/t/download-button-is-not-working/1366>\
**Category:** Technical Support\
**Created:** [February 10, 2022, 8:02am UTC](https://pdfjs.community/t/download-button-is-not-working/1366 "2022-02-10T08:02:46Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [February 10, 2022, 8:02am UTC](https://pdfjs.community/t/download-button-is-not-working/1366/3 "2022-02-10T08:02:52Z")

</div>

**Hello, I’m Ron, an automated tech support bot 🤖**

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:
- [XFDF format - In PDF.js Express Web Viewer](https://pdfjs.express/documentation/annotation/xfdf#in-pdf.js-express-web-viewer)
- [PDF.js Express Plus Overview - What is PDF.js Express Plus?](https://pdfjs.express/documentation/get-started#what-is-pdf.js-express-plus?)
- [TypeScript PDF.js Viewer](https://pdfjs.express/documentation/typescript)

APIs:
- [Core - enableFullPDF()](https://pdfjs.express/api/Core.html#.enableFullPDF__anchor)
- [Adding a download button](https://pdfjs.express/api/utils/tutorial-Adding%20a%20download%20button.html#__anchor)
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)

Forums:
- [Licence key not working with version 8.2](https://pdfjs.community/t/licence-key-not-working-with-version-8-2/1310/1)
- [Annotation Prototype getting wrong “this” in some cases](https://pdfjs.community/t/annotation-prototype-getting-wrong-this-in-some-cases/1222/1)
- [Pdfjs.express 8.2.1 error on a valid License Key](https://pdfjs.community/t/pdfjs-express-8-2-1-error-on-a-valid-license-key/1340/1)

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