Download F502 update package: Here

 
FCar Reader F502 upgrade unitity
 
Lastest Version:  6.0 release, Aug 6, 2017
 
F502 update installation guide
 
To install software updates, you will need to have a mini-USB cable (NOT included in retail package) ready and then follow 4 steps:
  1. Hold scanner's "Enter" key and connect USB cable to your Windows PC (Mac is not supported), and then release "Enter" key. The scaner will go into Update Mode screen.
  2. Install USB VCOM driver (Only need at first time, see next USB VCOM driver installation guide)
  3. Download the software from top of this page, extract the zip file (ie. FcarReader_502_20150806.zip) into a folder. ie. d:\temp\FcarReader_502_20150806, run file named FcarReader_502.exe. Select COM number. (You will find the COM number on step 2, or you will be found under Control Panel-->Device Manager). 
  4. Start Upgrade
[Windows 10] 
  1. Press and Hold scanner's "Enter" key and connect USB cable to your Windows 10, and then release "Enter" key. The scaner will go into Update Mode screen.
  2. Windows 10 will search driver and install automatically (first time only)
  3. Download the software from top of this page, extract the zip file (ie. FcarReader_502_20170508.zip) into a folder. ie. d:\temp\FcarReader_502_20170508, run file named FcarReader_502.exe.
  4. Select COM number. (You will be found under Control Panel-->Device Manager). 
  5. Click Start Upgrade
  6. Whole process will take about 2-3 minutes, and it will auto restart.
 
USB VCOM driver Installation Guide
 
[Windows XP/Vista]
 
Find file: vcom.inf in your downloaded folder.
vcom.inf is usb driver, Right click and select install
 
 
[Windows 7]

1)Click Windows Start menu-->Control Panel-->Device Manager

2)Right lick on "F50x USB VCom Port (COM4)" under Ports (COM & LPT)

3)Select Update Driver and Browse my computer for driver software

4)Select vcom.inf from your download package

[Windows 8]

 
Under Windows 7 64bits, Windows 8 or Windows 10, you have to disable driver signature enforcement before to install VCOM driver. 
 
How To Disable Driver Signature Enforcement In Windows 8/8.1 And Windows 10
  1. Find PC Settings from the start menu or apps list >> select Update and Recovery >> click Recovery.
  2. Under Advanced Startup, click on Restart Now.
  3. Your PC will do a kind of reboot and go to a blue Choose an option screen. Click on Troubleshoot (refresh or reset your PC or use advanced tools) >> Advanced Options >> Startup Settings (change windows startup behaviour) >> Restart.
  4. Your PC will now restart and go to yet another blue screen with 10 options. Press 7 or F7 on your keyboard to select Disable driver signature enforcement.
  5. Your computer will auto restart again and then you can now proceed with the installation of FCAR F502 USB VCOM driver for Windows 7/8/8.1/10.

When the Windows driver signature is disable, repeat the above Windows 7 step to install VCOM driver and do the update.