XirDecoder ECU Chip Tuning Software released a major upgrade on August 5, 2025.
For security reasons, all license keys have been updated with enhanced license information.
If you receive a "license not found" error, please try to solve it with the methods below.
1.Restart your computer.
2.If the problem persists, download the software again.
DOWNLOAD NEW UPDATE V2.2.4
http://api.xirdecoder.com/version/xir_decoder.rar
3.If it still doesn't work, simply send a new key using the email address you registered to support@xirdecoder.com. It will be reactivated in less than 5 minutes, and you can continue where you left off.
The solution applies to all XirDecoder series (Standard Version, Ultimate Version, Basic Version).
Learn more:
http://blog.eobdtool.co.uk/xirdecoder-dtc-chip-tuning-software-faq/