Please find the latest product downloads for the Exterro FTK family of solutions below.

Many 5.55 versions need a patch to bypass license checks.
If you are on Windows 10 32-bit, skip to Step 3.
On 64-bit Windows 10, unsigned drivers (which Xprog uses) will be rejected. You have two options:
Option A (Temporary – each boot):
Option B (Permanent – recommended for dedicated tuning PC):
Warning: Re-enable test signing later with
bcdedit /set testsigning offif you value system security.
If you can get it to connect, the software itself is solid for its era. how to install xprog 5.55 on windows 10
The biggest issue with XProg 5.55 on Windows 10 is driver conflict.
The automatic driver installation usually fails. You need to force Windows to use the legacy driver.
If successful, the yellow mark disappears and it changes to "Xprog-Box USB". Many 5
Xprog 5.55 (often referred to as X-Programmer or Xprog-Box) is a well-known programmer in the automotive world, specifically designed for reading, writing, and cloning microcontrollers in engine control units (ECUs), dashboards, immobilizer modules, and key transponders. It is most commonly used for Siemens/Continental, VDO, and Bosch ECUs.
However, there is one notorious problem: Xprog 5.55 was designed for Windows XP. Getting it to run on Windows 10 is notoriously challenging due to driver signature enforcement, USB communication issues, and software compatibility layers.
This article provides a field-tested, fail-proof guide to install and run Xprog 5.55 on Windows 10 (32-bit or 64-bit). Follow every step carefully. If you are on Windows 10 32-bit, skip to Step 3
Most Xprog 5.55 distributions require a crack to bypass hardware locking.
Before you begin, understand these critical points: