01
Download & install
Run the installer — it is digitally signed by TOP Diag Center — then open TOP PROG.
Get TOP PROG
for Windows
One app for Scania and Mercedes-Benz trucks — program, code and fix. Free to download with a 7-day demo of both brands. After that, a subscription per brand — every plan includes tokens, and a failed job is never charged.
Windows 10 / 11 · 64-bit
TOP PROG 2.0.9
SHA-256: 57C0F8F1C6D952245BC575EDE938328E11D97411238FAC580FB33A0FB7E3A5E4
Downloads come from your account: sign in, or create your free account, and the download starts at once.
By using TOP PROG you agree to our Terms of Service and Disclaimer. Need macOS or Linux? TOP PROG is Windows-only for now — tell us what you need.
How it works
Install once and sign in — your free 7-day demo starts as soon as you add this PC’s PC ID in your account. Then subscribe per brand; tokens are included and a failed job is never charged.
02
Create your account
Sign in or create an account in the app to activate your licence — one PC at a time.
03
Subscribe per brand
Pick Scania, Mercedes-Benz or both from your account. Every plan includes tokens; top up any time.
04
Plug in & work
Connect your adapter, pick the unit and the job. You pay one token only when it succeeds.
What you need
- Windows 10 or 11, 64-bit
- A supported CAN adapter (see below)
- An internet connection (licence activation & secure key calculation)
- A stable 12/24 V supply to the truck during writes
- A TOP PROG account — free 7-day demo, then a subscription per brand
Supported adapters: Scania VCI3, Daimler Truck VCI, Tactrix OpenPort 2.0 and other J2534 interfaces, plus Kvaser
Trucks & coverage
Scania · available
Mercedes-Benz · available
Volvo · in development
Renault · in development
Cummins · in development
Built-in safety net: TOP PROG performs seed/key calculation in the cloud — no sensitive algorithms ship in the app — and lets you read out a full copy of any control unit before you write it, so you can always go back.