How to install Diagbox V7.57 for Lexia-3 PP2000 Citroen and Peugeot

The Diagbox for Lexia 3 V48 PP2000 V25 Citroen and Peugeot diagnostic has newly upgraded to latest V7.57. Here is the step-by-step Daigbox V7.57 installation instruction:
Lexia 3 Diagbox V7.57 installation video:
Install DiagBox V7.57 setup1
1)      Insert CD software into the computer
2)      Open Diagbox V7.57 (E:) CD
3)      Select and open setup1
4) After loading setup. Select system language
5) Accept SPTD setup license agreement.  
6) Restart the computer
7) Select language again
8) Accept license agreement
9) Save file to a certain folder and click next
10) Select Alcohol 52% file on the desktop, select Add image from my computer Diagbox V7,57 and mount on Setup BDV0702
11) Setup is installing. Select language again.
Install DaigBox-setup
12) Open Diagbox.V07.02(F:) and open Diagbox-setup driver
13) Select language.  Installing setup driver will generate three folders on the desktop, EmalDiag, WEBEX and Diagbox. Accept the windows security alert
14) Diagbox software is loading.
Activate Lexia 3 DiagBox software  
15) The system will prompt ACTIVATION message, click manually activation (3rd option)
16) Check your customer code and correct it if it is not correct
17) Please wait until the software complete installation. Usually it will take about 12 minutes. The waiting time depends on your computer configuration
18) After complete install, click Yes to continue When come to the PARAMETER program, fill in the Dealership Information and Technician information , including Company name, Address, Post Code etc
19) Click No when the system asks for new update. Select Citroen or Peugeot band in BRAND SELECTION program and then select detail vehicle model to check vehicle information.
20) Close the activation program. Unlock windows security alert
Update DiagBox to V7.57
You can not directly update DiagBox to V7.57. You have first update to V7.44, than update V7.44 to V7.49, then update V7.49 from V7.57.
21) Open DiagBox shortcut on the desktop, the software is updating to V7.02
22) When the system asks for an update, click no. Check the vehicle information again. Close the program.  
23) Open DiagBox V7.57(E:) CD software on My computer.  Select setup3 update V7.02 to V7.57 file.  
24) Select DiagBox Update V7.xx to V7.44, select language, accept windows prompts
25) Enter the setup password, scary01
26) After update complete, select no to restart the computer now but restart the computer later.  
Back to setup3 folder, select Update V7.44 to V7.49, follow the operation of updating DiagBox V7.xx to V7.44.
28) Select DaigBox Update V7.49 t0 V7.57. Follow the same update operation as previous update.
29) After update Diagbox from V7.57, open DiagBox shortcut on the desktop
30) Here is the new DiagBox software program of V7.57
31) Please connect the device to the car, then use the short USB cable to connect with the computer, then it will prompt to install driver.  
32) Select the application as LEXIA
33) Enter missing information
34) Come to the main diagnosis function, select the function you want to project.

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