Try this link / incearca acest link:http://www.brothersoft.com/soundmax-integrated-digital-audio-299235.html
Looks like the driver has not been updated in a while, but it should be compatible with Win7.
Also, Win7 comes with a set of generic and specific drivers itself, it may not need any additional one. After install, Win7 can look online for newer versions of drivers and install them.
Lastly, remember that it is easier to get answers if you post in English on this forum, because much more people will be able to understand your request.
Good luck / bafta!