Check that your Windows PC meets the minimum specifications. The software typically requires:

As of May 2026, the is the premier tool for technicians servicing modern STIHL equipment, particularly those featuring M-Tronic™ (microprocessor-controlled) engine management. Known sometimes in earlier iterations through diagnostic tool sets like the MDG-1, the current SDS software allows for deep diagnostics, firmware updates, and performance optimization of chainsaws, blowers, and brushcutters.

Perform "hard resets" or recalibrate internal components like the wiring harness or control unit to ensure peak efficiency.

For now, mastering the current SDS ecosystem—whether for the MDG 1 or ADG 2—will put you ahead of the curve.

Follow these steps to ensure a successful download and installation.

Because Stihl diagnostic tools handle sensitive engine data and can alter machine performance profiles, access to official software downloads is tightly controlled to protect equipment longevity and user safety. 1. Official Stihl Partner Portal (Recommended & Safest)

The STIHL battery series are clearly labeled (e.g., AP, AK, AR). Look for the document matching your specific battery. Here are the common file names you'll encounter for an AP 200: