Windows Product Key Code not working

I have 2 problems.... I recently had to do a fresh install.....I am using the product key code that came with my Windows 7 disk... have talked to microsoft and they claim the product key code on my sticker is invalid..... so im on my 29 day free trial for now....my 2nd problem is since the fresh install of windows 7 .... my download speed is like 0.33 mbps and my upload speed is 11.73 mbps and i have comcast blast internet and my other computer has a download speed of like 22..... so im at a loss here..any suggestions?

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