The most reliable method is to visit the Mitsubishi Electric FA Global or your regional Mitsubishi website (e.g., Mitsubishi Electric Automation Americas, Mitsubishi Electric Europe).
Once you have the ZIP file or driver package: mitsubishi easysocket usb driver windows 7 zip link
Mitsubishi Electric officially ended support for Windows 7 in many of their industrial software packages after 2020. While the driver does function on Windows 7, ensure your system has Service Pack 1 (SP1) and the Platform Update for Windows 7 (KB971513) installed. The most reliable method is to visit the
Critical Warning: Avoid third-party “driver download” websites offering EXE files or zip archives without verification. Many contain malware. Only use trusted sources. Mitsubishi Electric officially ended support for Windows 7