Can you help me download my scanner

i bought my scanner ay a thrift store ,there was no disk
with the scanner.i ask about the disk the man told me all
i had to do was go on line and i could down load all i needed.
could you please help me i am not sure what to do.
i went to the section for the scanner on the internet
and i found the one i have ,i tried to download every time
i tried to download all i got was a add for a telephone,
when i would close that page and try again ,i got the same thing. can you show me wha t to do thank you.