This self-extracting file contains the EPSON Scan Utility and TWAIN Driver v3.04A for Windows Vista 32-bit and 64-bit Editions. This file extracts to your hard drive and is placed in a folder that begins with C:\epson\epson12258... Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.