How do increase the max file upload size using php on apache web server? [duplicate]

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Possible Duplicate:

How To Change The Maximum File Size Upload?

I w开发者_如何学Pythonant to make the max file upload size to be 20MB, I know I need to use htaccess, but where to put it, I am using windows web server.

Can you tell me in which repository I should put that file?

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Find your php.ini file and change the value of upload_max_filesize and set it to the desired value. Then restart your webserver.