After create your Bubble app with “Pear - Modern E-commerce Template”, you will be able to use the app immediately. So, you can start manage your products & categories.

Once you preview the app, you can see the demo login buttons on the index page > hero section as screenshot below. You can click on the “Demo Admin” button and reach to the admin dashboard directly.

Once you redirected to the admin page, switch to the “Products” tab and start managing your products.

You can also manage your categories by switching to “Categories” tab like screenshot below: