If you don’t have a theme then Go to Storefront > Theme Marketplace and purchase it. Then follow the below steps. If you have a theme, then you can simply ignore this step.
Now, Go to Storefront > Themes.
Now simply Click ‘Upload Theme’. On the popup, click the ‘Select theme from your computer’ button.
Choose the zip file Noble-x.x.x.zip to start installing the theme.
When a new theme appears, just click on “…” next to your theme and then click on “Apply” to apply the required variant as shown below.
