Technical support is only for installation, and how to use it is not within the scope of after-sales. No refunds for such reasons are accepted. You can only change the system or computer to install. If the activation is not possible due to system reasons, such as insufficient permissions, or accidental killing of anti-virus software, or other unknown reasons, this is not a software problem. Languages: English, French, Russian, Japanese, German, Spanish, Italian, Portuguese, Chinese 2. Because it is an electronic material, once the download link is given (regardless of whether it is installed or not), no refunds for any reason will be accepted. The product is downloaded via a network disk link, not express delivery. Launch X431 Tech has developed Launch iCarScan VCI Bluetooth Auto Diag Scanner a new replacement of Launch X431 iDiag (out of production currently.) Here is the instruction on how to register, activate and update/download iCarScan software. Motor Heavy Truck Service V13 Truck Repair Manual With Free Activator