Setup → Switch Theme
If you use an old theme and want to switch Oirantheme. You should switch theme with by the steps here :
Step 1: Deactivate all plugins that you installed.It will avoid conflicts from the plugins

Step 2: Plugin Installation Of this Theme

Step 3:Import Widgets and Slider
This is a step by step install our demo widgets to position the sidebar and Slider for Theme.... it's not necessarily mandatory to install
Goto > Manually upload demo files

Select to folder Oiran - Modern Multi-Concept WooCommerce Theme that you download on themeforest

You don't should Import demo-content.xml Because it is the demo data

Step 4:Create Home Page


Then go to short-code select category and custom for yourself

Step 5: Regenerate Thumbnails
Because this theme use the image size predetermined by the function . so You need resize for the image
You need install Regenerate Thumbnails Plugins

Done !
Please check your site :)