🧰 Installation Tutorial: FGTech Galletto 4 Master V54 (Version 0475)

The FGTech Galletto 4 Master V54 software is an essential tool for professionals in engine reprogramming (chiptuning), ECU flashing, reading and writing maps on cars, motorcycles, trucks, tractors and more.

Discover below the step-by-step installation guide to fully enjoy this powerful ECU diagnostic and programming tool.

Installation on WINDOWS 7 only.

✅ Step 1 – Unzip the FGTech V54 archive

First, download the software archive named FG V54 0475.zip . Once the download is complete:

1. Right-click on the .zip file

2. Select "Extract here" or "Extract to FG V54 0475"

3. Use a tool like WinRAR or 7-Zip (free) to perform this operation without errors.

📌 It is essential to decompress the archive before starting the installation, otherwise some essential files will be inaccessible.

🛠 Step 2 – Install the FGTech V54 software

Once the archive is extracted, follow these steps:

1. Open the unzipped folder.

2. Launch the file "V55 for 0475 all Win.exe" .

3. The installation wizard will open. Click "Next" until the end.

4. At the end of the installation, close the window.

⚠️ Do not launch the software yet after installation.

🔧 Step 3 – Apply the Patch (security fix)

The patch is essential to allow the software to function without activation.

1. Go to the folder named "Patch No Reg Key V55 0475"

2. Copy the following two files:

   • EvO.dll

   • mfc42.dll

📁 Step 4 – Replace the original files

1. Go to the software installation folder:

   • Default: C:\Program Files\Fgtech V54 - Win7

2. Paste the files copied previously.

3. When Windows asks if you want to replace existing files , click "Yes to all" .

✅ These patched files allow you to bypass the registry key request when launching the software.

🔌 Step 5 – Installing the FGTech probe USB drivers

Before launching the software, you need to install the probe's USB drivers :

1. Connect the FGTech Galletto V54 probe to a USB port on your PC.

2. Open Device Manager :

   • Right-click on "Computer" > "Manage" > "Device Manager"

   • Or type "Device Manager" in the Start menu

3. Locate the device with a yellow exclamation mark (FGTech not recognized).

4. Right-click > "Update driver"

5. Click on "Browse my computer for a driver"

📂 Step 6 – Select the correct driver folder

In the selection window:

1. Click on "Browse"

2. Navigate to the folder:

   • C:\Program Files\Fgtech V54 - Win7\Driver interfaccia

3. Select this folder and then click "OK"

4. Press "Next" to start the driver installation

5. Confirm if Windows asks for permission to install this driver

🔄 Repeat this step for the different components if multiple drivers need to be installed.

✅ Step 7 – Finalize and launch the software

Once all drivers are correctly installed:

1. Close all windows

2. On your desktop, double-click the "icona.ico" shortcut

3. The FGTech Galletto V54 software has launched and is now fully functional.