Launch X431 ECU Programmer and X-prog3 PC Adapter use different PC software although the function is the same. Software cannot be mixed.
1. Download PC software for Launch ECU & TCU Programmer Standalone version
Download Link: https://en.cnlaunch.com/products-detail/i-243.html
Drop down and click “Download”
Software language: English, German, Japanese, Russian, French, Portuguese, Korean, Italian, Arabic, Traditional Chinese
Select the corresponding language setup. You cannot change language later in software.
2. Download X-prog3 PC Adapter Software work in conjunction with X-prog3
Download Link: https://en.cnlaunch.com/products-detail/i-40.html
Drop down and click “Download”
Software language: English, German, Japanese, Russian, French, Portuguese, Korean, Italian, Arabic, Traditional Chinese
Select the corresponding language setup
How to Install Launch X-prog3 PC Software Driver?
Win7 and Win10 installation is slightly different.
1. Connect Launch Programmer or X-prog3 with PC Adapter with laptop via USB, give power supply to the programmer
open Device Manager, you can see CH554-CDC device driver cannot be identified.
2. Right click CH554-CDC driver, selct Properties and Update Driver
3. Select “Browse my computer to find driver software”
4. Select “Let me pick from a list of device drivers on my computer”, press Next
5. Select “Port (COM & LPT)”, press Next
6. Select manufacturer as STMicroelectronics, select the latest version of driver, press Next
7. Open Device Manager again, if you see the STMicroelectronics Virtual COM port driver it means the Launch x431 pc software driver is successfully installed.
Download PC software on cnlanuch.com
Run IMMOProg_PC.setup as Administrator
Save destination location to C://
Install device driver
Software will ask for activation. Input device serial number and activation key (tear off the password paper).
Press Activate.
Now software is ready to use.