I want to upgrade existing shop from to

What are the steps should be followed to accomplish this work?


2 Answers 2


Please follow of this official documentation



Follow the Steps

Step1:- First, check that core file is change or not using below link


This step for only security person you can skip this if you don't change anything in Magento Core Files.

Step2: - Upload Magento 1.8 Database in PHPMyAdmin

Step3: - Setup Magento 1.9.3 and while installation Select Magento 1.8 Database

Step 4: - Take Custom Modules and Extensions files[1.App 2.Skin 3.Js] from Old Magento

This is the best and Secure way to Upgrade Magento

  • Thanks for Answering. For the 4 th step, it will be after Magento 1.8 Installation? and please could you specify files and directories i have to copy from (App- Skin -JS).
    – MageD
    Commented Jun 16, 2017 at 14:23
  • for specific extension or module they define name also.
    – Jaimin
    Commented Jun 18, 2017 at 16:45
  • sorry i didn't understand you. I'm a beginner in Magento
    – MageD
    Commented Jun 19, 2017 at 9:25
  • suppose a module namespace abc and module name is xyz than related to that the naming convention is used to all in app, skin and js
    – Jaimin
    Commented Jun 19, 2017 at 11:14
  • Ok. Sorry for Basic questions but i copied all files and i get problems. now i'm in step when i should copy (your theme or package (app/design/frontend/default/ or app/design/frontend/)). Should i copy all the content of frontend or just my theme. and how can i know my default theme in 1.8. Sorry again
    – MageD
    Commented Jun 19, 2017 at 11:41

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