compatibility

Run Firefox 2 and 3 simultaneously without using a third-party tool

Now that Firefox 3 has been released, you may want to test for anomalies compared to Firefox 2 and/or Internet Explorer 6/7. Learn how!


Run multiple versions of IE simultaneously - with ease!

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Microsoft doesn’t make it easy for you to run more than one version of IE on your machine. But a company called Tredosoft does!


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