Dell Optiplex280 drivers?

I am trying to install drivers of dell optiplex 280. I found them over dell's website under download section but here it's problem, those are available in application type. I surf web for this and finally came to know that this kind of file is designed for Click Once kind of application and installed .net... show more I am trying to install drivers of dell optiplex 280. I found them over dell's website under download section but here it's problem, those are available in application type. I surf web for this and finally came to know that this kind of file is designed for Click Once kind of application and installed .net framework, with thought that would help but it didn't. Is anybody know how to use this application type drivers? or is it possible to download executable files of drivers from somewhere?

Thanks for any help..
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