Modify Incompatible Firefox Extensions to make them work with Firefox 3

Ever came across an extension that you badly want to run with Firefox 3 and are in no mood to downgrade to earlier versions of Firefox, and you aren’t comfortable with modifying about:config, the other day I came across this extension called minimize to tray and I badly wanted it to run with Firefox 3 ,actually what it does is that it minimizes Firefox to tray when you press CTRL+SHIFT+M, now whenever I am done with with Firefox I don’t close it instead I minimize it, it is working great so far in Firefox 3.0.1, I am using the same extension as an reference in this post:

first step is to get the .xpi file of the addon you want to make compatible with Firefox 3.0.1, to do that go to Mozilla addons site and open the page of your desired extension, now the problem is that the add to Firefox button is greyed out because its not compatible otherwise we would have right clicked it and chosen “save link as” option but now you  can get xpi file by changing your browser e.g Internet Explorer (you can use IE tab too) as it will turn the add to Firefox button to download now button and then you can easily save the xpi file to your hard disk
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