The drivers from Canon are an executable file , you need to double left click the file to install the drivers .
From Canon click here :-
I have downloaded the Windows driver for my Bubble Jet printer. How do I install the driver?
After downloading the Windows driver for your printer, shutdown the computer.
Connect the printer cable (USB or parallel) to the computer and the printer.
Turn the printer off.
Locate the downloaded printer driver file and double click to extract the driver.
The extraction process ends with the message All items successfully extracted. Click OK.
The BJ Printer Driver Installer starts automatically. Click Next.
The Software License Agreement dialog box appears. Click Next if you agree.
After all files are copied to your computer, the Printer connection destination dialog box appears.
At this point make sure the printer cable is connected to the computer and the printer.
Turn the printer on.
The Installation Complete dialog box appears. Click Finish .
Just as an extra when installing drivers , windows list will certainly not have every make and model , you can ignore the list and select "have disk" , from where you will be able to browse to where ever your new drivers have been saved.