The below Nokia USB driver will allow you to connect your Nokia phone to your Windows computer. After installing the PC Suite and the drivers needed you will be able to upload music, do backups, flash roms and more with a USB cable. This is a ADB driver is also allows some Nokia phones act as a modem allowing connecting to the Internet from the computer in a remote location. There are many other third party software available for doing other modifications to the Nokia phones.
Download the zip file extract the contents and run the setup program.