This is the 32 bit version of the software for the Samsung Galaxy S USB Driver. You can find the 64bit version of the software here. When installing the software it is always best to uninstall the driver from your computer and then reboot and install the new software driver.
This is version 1.3.450.0 and was released in March 2016. Note that there is a generic android driver also on this website here. You can download the driver below. Click on the .exe file and let the driver install on your computer.
Operating System: Windows 2K / XP / Vista / 7
Version : 1.3.450.0
Date: March 2016