Alcor SmartCard Reader Driver for Windows 10 (64-bit) - ThinkPad Helix (Type 20CG, 20CH), T540p (Type 20BE, 20BF), T550 (Type 20CJ, 20CK), W540 (Type 20BG, 20BH), W541 (Type 20EF, 20EG), W550s (Type 20E1, 20E2) - AT