Pocket AVR Programmer Drivers
/USBTinyDrivers - Windows 7 Driver files for the AVR Pocket Programmer. Original Source of files: http://www.ladyada.net/make/usbtinyisp/download.html Please note you will need to verify the security signature for the drivers, despite the unsigned driver warning from Windows.
/Zadig - Great Windows Driver Installer Program created by pbatard. Run this program, select the device from the list and install the libusb-win32 drivers. Works for Windows 8. Does not require any security signatures. The most up-to-date version of Zadig is available here: http://sourceforge.net/projects/libwdi/files/zadig/ Their GitHub repo is here: https://github.com/pbatard/libwdi.