The bottom of your keyboard has three non-skid feet to prevent the keyboard from moving when it isin use.• 4 LabelThe label on the bottom of the keyboard includes country certifications and provides important informationthat might be necessary if you need to make a service call.System requirementsBefore using the keyboard, ensure that your computer meets the following system requirements:• One of the following operating systems:– Microsoft Windows XP (32-bit)– Microsoft Windows Vista (32-bit or 64-bit)– Microsoft Windows 7 (32-bit or 64-bit)– Microsoft Windows 8 (32-bit or 64-bit)• An available USB connector4 Lenovo Preferred Pro USB Fingerprint Keyboard User Guide