Polar IrDA USB Adapter is supported for Windows 98SE/ME/2000/XP 32/64-bit, Vista and 7 32/64-bit. Please make sure you have updated Microsoft Service Pack before installation.
Download the drivers from here. Save the .zip file to a temporary location and extract it with, for example, WinZip. See user manual for installation instructions. After installing drivers, restart your computer.
When installing drivers to Windows Vista/7 64 bit, please make sure that you are logged onto your computer as an administrator. Admin rights are necessary to install the drivers.
Do not use these drivers for the silver-colored Polar IrDA USB 2.0 Adapter (picture below).