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I tried downloading version 4, but nothing happens - as far as I can see

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I am not a "computer geek" - just an average 82-year-old American. Need an explanation in simple English: Why I cannot download version 4. I check all the boxes, but cannot see any confirmation that program has been successfully downloaded.

I am not a "computer geek" - just an average 82-year-old American. Need an explanation in simple English: Why I cannot download version 4. I check all the boxes, but cannot see any confirmation that program has been successfully downloaded.

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You can download the Firefox 4 installer and save the file to the desktop.

Close Firefox (File > Exit) after the download has finished and start the installation with a double click on the desktop icon of the Firefox 4 installer.

There will be quite a change if you update from Firefox 3.0.3 to Firefox 4, so you may lose some extensions that aren't compatible anymore if you have any extensions installed (Tools > Add-ons > Extensions). Themes always need to be updated.