Polar IrDA USB Adapter is supported for Windows 98SE/ME/2000/XP 32/64-bit, Widnows Vista, Windows 7 32/64-bit and Windows 8 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 / Windows 8, 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).