On your OpenCart admin panel, place the cursor on CL Lazada Integration, when the menu appears to click on Profile.
On clicking it, you will be navigated to the profile page as shown below. On this page, you may click on the edit button as highlighted in the image below:
On clicking it, you will see the sections as:
On this page, you may make the changes as you want.
You may click on the different section from the upper menu and make the changes required.
Once the changes have been made, click on the Save button on the upper right side of the page.