> For the complete documentation index, see [llms.txt](https://en.help.firstline.cc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://en.help.firstline.cc/guide/issue/liu-lan-qi-xuan-yong.md).

# Supported browsers

## Desktop devices

**Verify whether your browser is supported:**

| Browser                            | Supported versions             | How to check the version                                                                                                             | Download                                    |
| ---------------------------------- | ------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------- |
| **Chrome**                         | The most recent three versions | Open Chrome and type in the address bar `chrome://version`. The version will be shown at the top.                                    | <https://www.google.com/chrome/>            |
| **Edge (preinstalled on Windows)** | The most recent three versions | Open Edge. In the menu select "Help and feedback", then choose "About Microsoft Edge". The version is listed in the "About" section. | <https://www.microsoft.com/edge>            |
| **Mozilla Firefox**                | The most recent three versions | Open Firefox. In the menu select the help icon, then choose "About Firefox". The version is listed under the name.                   | <https://www.mozilla.org/firefox/browsers/> |
| **Safari**                         | The most recent three versions |                                                                                                                                      | <https://support.apple.com/HT204416>        |

If you still cannot use FIRST LINE properly after updating your browser, you may be using a device or operating system that is not supported.

## Browsers on mobile devices

FIRST LINE does not fully support mobile browsers. Although you can still view information with them, the user experience may not be as smooth as on desktop devices.