I was wondering about a feature that I fell on a previous version of Firefox. Is it possible to open two windows in Firefox 4?

I came across this when working in gaiaonline.com on Firefox 3.6, I think that it est.6. He could be a later version. But he was 3 for sure. I am connected to a profile on a window, and my sister has been signed in to his on another window of Firefox at the same time. I was wondering if there was a way to do this on Firefox 4.

You can watch this extension if you sign with different identities at the same time:

Tags: Firefox

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