Note: 1. PP2000 and lexia software can only be installed in 32-bit XP system, and Diagbox software can only be installed in 32-bit win7 system. 2. Please do not install lexia and pp2000 software and Diagbox software on one computer at the same time. Diagbox software includes pp2000 and lexia software, Diagbox needs to be installed separately on a laptop. 3. When installing the software, please turn off the antivirus software and firewall. Otherwise antivirus software and firewalls will damage software and your computer system. Note: Software requires at least Intel Celeron/Pentium III 400 MHz, 128 MB RAM, 50MB free HDD space and USB 1.1 port (USB 2.0 recommended) and Microsoft Windows 98 SR2/2000/XP with latest service pack installed. We can prepare work-ready PCs if required by customers. Lexia Description:1. Compatible with Citroen vehicles including: C1, C2, C3, C4, C6, C8, C CROSSER, NEMO, BERLINGO, JUMPY, JUMPER, AX, SAXO, BX, etc. But please note that based on our customer's experience, this product is not suitable for the new C5 model. 2. Compatible with most Peugeot cars since 1995. If you have both types of cars, please note, please confirm with us before purchasing. 3. Diagnose via OBD-II connector (located near steering wheel) or manufacturer specific connector (older cars only, before 2001). Function: Unlike other GM scanners that can only read trouble codes; the software performs almost all functions like the original dealer diagnostic tool. Our diagnostic interfaces include K-Line multiplexers, CAN-BUS interface and SAE J1850 bus (PWM and VPW). 1.Read Identification: Displays the complete identification of the control unit, such as part number, software/hardware version, manufacturer, etc...2. Read Fault Codes: Displays all stored and pending fault codes with a full description (eg "rail pressure - pressure too low"). The program supports report printing or copying to the clipboard. 3. Clear fault codes: This function clears all stored fault codes and other diagnostic information.4. Auto Scan (Complete Car Scan/Test)Tests all ECUs (Electronic Control Units) installed in the car and reads all diagnostic trouble codes. 5. Measurements: The program displays real-time data such as engine speed, battery voltage, oxygen sensor, coolant temperature, etc. Values can be displayed in a graph, 9 values at a time, or a full list (all measurements). Logging to file is also supported, which allows offline analysis. 6. Actuator Test: Actuator test activates a specific actuator (eg open fuel pump, lock/unlock wheels, lock/unlock doors, cut fuel, etc.)