Elo TouchSystems 3200L User Manual page 10

Install both the "USB Touchscreen Drivers" and "APR Touchscreen Driver" when prompted:
Screenshot for Windows XP, Vista, Server 2003, Server 2008, and WEPOS installations:
Screenshot for Windows 7 installations:
After accepting the end-user license agreement, the drivers will finish installing.
Reboot your computer after the install is complete.
User Manual – Interactive Digital Signage
SW601176 Rev D - Page 10 of 34