Installing VAG K+CAN Commander 1.4 on Windows 10 requires specific workarounds, as the software was originally designed for older 32-bit systems like Windows XP or Windows 7.  1. Download the Software 

Since the software is legacy, it may not run natively on Windows 10 64-bit without help. 

Antivirus Notice: Security software often flags this program as a "false positive" due to its low-level hardware access. It is commonly recommended to temporarily disable antivirus software or add an exclusion for the application to ensure it functions correctly. Key Features and Functions

VAG K+CAN Commander 1.4 is a specialized diagnostic and programming tool for Volkswagen Group vehicles (VW, Audi, SEAT, and Skoda) typically manufactured before 2007

bool readEepromByAddress(PASS_THREAD_HANDLE ch, uint16_t addr, uint8_t* out, uint16_t len) if (!sendSecurityAccess(ch, 0x05)) return false; // KWP2000 ReadEeprom by address (VAG proprietary extension) uint8_t req[] = 0x3B, (addr >> 8) & 0xFF, addr & 0xFF, len ; return sendKWPRequest(ch, req, sizeof(req), out, len);

The software often requires the USB cable to be set to COM Port 1 or COM Port 2 in the Windows Device Manager to communicate correctly. VAG K+CAN Commander vs. VCDS (VAG-COM)