CoCalc -- index.md

GitHub Repository: mohamedkhallouq/content
Path: blob/main/files/en-us/mozilla/add-ons/webextensions/prerequisites/index.md
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---

title: Prerequisites
slug: Mozilla/Add-ons/WebExtensions/Prerequisites
page-type: guide
tags:
  - Draft
  - WebExtensions

---

All you need is Firefox 45 or higher. See Your first extension to get started.