If you don't have FCAR Utility on your PC, check instruction How to download and install FCAR Utility

FCAR utility main interface below:

• Take SD card from scanner and plug into Windows PC SD Card slot or by USB SD card adaptor, meanwhile, you need to find out SD card drive (Drive E in our case)

***F3SN: minimum 8GB SDHC Card, F3SW, F3G, F3D, F3SG: minimum 16GB SDHC card ***

• Login with your credential. You can create or register your new user by New user registration. If you forgot password, you need to go www.fcarusa.com to reset your password.
• When you login and click on Update tab. The system will ask you to format your SD card. You need to double check your SD card drive.
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If you change your SD card drive to G, you can click Select to select new drive G

The final step you just need to click on Update Selected Items. The software update will take about 30 minutes to finish.