If your computer is using Windows XP or Windows 7, then you need to download our upgrade tool application on your computer to upgrade the firmware（MOUSE.rar)
After decompressing the MOUSE.rar file, click the exe. software, the software will automatically detect the upgrade file, and then click RUN to complete the upgrade.
Because Windows XP or Windows 7 computer only support single touch, you need to upgrade firmware that supports single touch.
You can download the file in the link:http://u.pc.cd/t1s