Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

cant set firefox as default

  • 4 replies
  • 1 has this problem
  • 4 views
  • Last reply by user633449

more options

with W10 v1803, Firefox is no longer an optional browser to set as default and FF is not in MS store.

with W10 v1803, Firefox is no longer an optional browser to set as default and FF is not in MS store.

Chosen solution

Please update to a modern version of Firefox (61) and then follow the directions at Make Firefox your default browser

Read this answer in context 👍 0

All Replies (4)

more options

Chosen Solution

Please update to a modern version of Firefox (61) and then follow the directions at Make Firefox your default browser

more options

Thanks that did it. Thought

more options

Updates were automatic

more options

They are, not sure why you weren't updating.