# Testing using Firefox 53.2.0

**URL:** <https://forum.katalon.com/t/testing-using-firefox-53-2-0/9905>\
**Category:** Miscellaneous\
**Created:** [March 25, 2018, 12:29am UTC](https://forum.katalon.com/t/testing-using-firefox-53-2-0/9905 "2018-03-25T00:29:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Brad\_Darragh](https://avatars.discourse-cdn.com/v4/letter/b/db5fbb/32.png) [@Brad\_Darragh](https://forum.katalon.com/u/Brad_Darragh)\
**Post date:** [March 25, 2018, 12:29am UTC](https://forum.katalon.com/t/testing-using-firefox-53-2-0/9905/1 "2018-03-25T00:29:52Z")

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I have a requirement to test an application using Firefox 53.2.0 ESR. The current version of Katalon Studio doesn’t appear to work with this version of Firefox. Is it possible to get an older version of Katalon Studio?

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**Author:** ![Noor](https://avatars.discourse-cdn.com/v4/letter/n/c67d28/32.png) [@Noor](https://forum.katalon.com/u/Noor)\
**Post date:** [March 26, 2018, 7:02am UTC](https://forum.katalon.com/t/testing-using-firefox-53-2-0/9905/2 "2018-03-26T07:02:46Z")

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> Brad Darragh said:
> 
> I have a requirement to test an application using Firefox 53.2.0 ESR. The current version of Katalon Studio doesn’t appear to work with this version of Firefox. Is it possible to get an older version of Katalon Studio?

Try it (section Firefox (Gecko Driver) [0.19](https://github.com/mozilla/geckodriver/releases/tag/v0.19.0 "Link: https://github.com/mozilla/geckodriver/releases/tag/v0.19.0")))  
[https://docs.katalon.com/display/KD/Update+or+Replace+Web+Browser+Drivers+and+Selenium](https://docs.katalon.com/display/KD/Update+or+Replace+Web+Browser+Drivers+and+Selenium)