By default, Firefox updates automatically. You can always check for updates at any time, in which case an update is downloaded but not installed until you restart Firefox.
Firefox Developer Edition will therefore make it possible to obtain the most recent features more quickly without risking the instability of a Nightly: Firefox Developer Edition can be used without problems on a daily basis and it's pretty cool. In short, Firefox Developer Edition is a nice surprise for developers. Firefox Developer Edition は、最先端を行く開発者ツールや、CSS グリッド対応、フレームワークデバッグといった最新機能を提供する爆速ブラウザーです.
- Click the menu button , click Help and select About Firefox.On the menu bar click the Firefox menu and select About Firefox.
- The About Mozilla FirefoxAbout Firefox window opens. Firefox will check for updates and download them automatically.
- When the download is complete, click .
- If you are on a Mac computer with Apple Silicon and update from an older version to Firefox 84 or higher, you will need to fully exit and restart Firefox after the update (as explained here).
Stay safe: Download only from the official Mozilla links above to avoid malware and other online threats.
Update settings can be changed in Firefox OptionsPreferencesSettingsPreferences. In the Menu bar at the top of the screen, click Firefox and select Preferences.Click the menu button and select ... In the General panel, go to the Firefox Updates section.
beta web browser
Firefox Developer Edition 64-bit
Download from PortableApps.com
Version 89.0 Beta 1 for Windows, English
114MB download / 401MB installed
Notes | All Languages | Antivirus Scan | Details
Mozilla Firefox, Portable Edition Beta can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the PortableApps.com Platform for easy installs and automatic updates.
Also Available: Firefox Stable, Firefox ESR (Extended Support Release), Firefox Developer Edition, Firefox Nightly, Legacy versions
- Support Firefox Beta development
- Support PortableApps.com's development and hosting
Description
Mozilla Firefox, Portable Edition Test are test versions of the popular Firefox web browser or test versions of the Gecko layout engine bundled with a PortableApps.com Launcher as a portable app that are being made available for testing purposes only, and are intended for web application developers and our testing community. For everyday use, please use Mozilla Firefox, Portable Edition.
Localizations
| Language | Link | MD5 | |
|---|---|---|---|
| Arabic | عربي | Download | 1e881aea1b185f7d9a3ac9a69df9cc34 |
| Chinese (Simplified) | 中文 (简体) | Download | b2435d31e9740e144a092da9cde2bbe0 |
| Chinese (Traditional) | 正體中文 (繁體) | Download | fd935a6455035d07153463587c237acb |
| Czech | Čeština | Download | a019e85627cd130be53b283a009f1206 |
| Dutch | Nederlands | Download | a6c771a07e0b5b5bf3899f9d1bee0835 |
| English | English | Download | acf306caaac5658c18679ef4504bdbd5 |
| English (British) | English (British) | Download | 6c3b6f41d66557734f8dae0447dc325f |
| Farsi | فارسی | Download | f1bea6f089463333ee9d72f7f16f4f46 |
| French | Français | Download | 61ed9c5ff004e37d286827820e613625 |
| German | Deutsch | Download | cca647e9fb8a4522de0438a989641596 |
| Hebrew | עִבְרִית | Download | b4f7b4228f5e2e0330d9d8c3fbbacf87 |
| Hindi (India) | हिन्दी (भारत) | Download | c124ab2a33c3bd8cd76db8e6f6d83338 |
| Hungarian | Magyar | Download | 9012ef88938a32c520e9d469e57ea5f7 |
| Indonesian | Bahasa Indonesia | Download | 32e966407528bf15b261d92cb3855b46 |
| Italian | Italiano | Download | e48d72e225c8a2bc85b4af52374af842 |
| Japanese | 日本語 | Download | a1b4af5b2278d06c9f49b8f25e1bff5c |
| Korean | 한국어 | Download | 740ce35c241d738f6fd4f130606414bc |
| Polish | Polski | Download | b0ede91d52c52b2e33cef9c02a2010a2 |
| Portuguese (Brazilian) | Português (do Brasil) | Download | e0cc809eb03b5285900ea6ea1c9a6306 |
| Portuguese (Portugal) | Português (Europeu) | Download | d4572a52deba88b69de0b720e71c3d7c |
| Romanian | Română | Download | 637082e9b1adefa9b4e640709e7c2386 |
| Russian | Русский | Download | 7c4cf3e1f35e11c81355daff47312726 |
| Slovak | slovenčina | Download | 66c7344053bbffd6aa26cfcc99caaa74 |
| Spanish (Spain) | Español (de España) | Download | 2ded250d1a2b56ae42b771f5f30d47bf |
| Spanish (International) | Español (internacional) | Download | e05005fc4653b14b13703fbbee289261 |
| Turkish | Türkçe | Download | 5825c3b0b5ae22a804c806e9afee1de3 |
Mozilla Firefox Developer Edition Download
App Notes
The beta release will install alongside a standard Firefox Portable install in a FirefoxPortableTest directory. Note that PortableApps.com will release one version for each major version (example: 78b1 but not 78b2). For updates within each major release, use the internal updater. From Mozilla: 'This is pre-release software: you may encounter compatibility problems with some websites and add-ons.'Support
For help with this app, please see the following:
- External: Publisher Support
- PortableApps.com: Internet Support Forum
Download Details
Firefox Developer Edition Ios
- Publisher: Mozilla & PortableApps.com (John T. Haller)
- Date Updated: 2021-04-22
- Date Added: 2014-11-10
- System Requirements: Windows 7, 8, 10 & WINE
- App License: Open Source (MPL/GPL/LPGL under Mozilla EULA)
- Source: Firefox Beta, Launcher source included, PortableApps.com Installer
- MD5 Hash: acf306caaac5658c18679ef4504bdbd5 (English)
- SHA256 Hash: 7192992e11e2c2de9fc0fb35393249a18b4d344cf6178ea82669e21cb39598c7 (English)
Firefox Developer Edition Install
Mozilla®, Firefox® and the Firefox logo are registered trademarks of the Mozilla Foundation and are used under license.