When I download Flash then run the application nothing happens. No windows pop up to install or anything. I've redownloaded several times from various sources. I'm using the latest Firefox and Windows XP.

Window XP now harmful for your data so avoid it and use 7, 8 or 8.1 versions of windows.
Also chorme is best browser for adding or installing any software.

its clear your query, try to say clearly about your issue. as, per your question is you are not able to download the flash player in your system.... is it your query exactly?

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