How to Install a Theme in Magento 2
A theme in Magento 2 provides a consistent look and feel in the store frontend or the admin area, with the help of custom templates, layouts, styles or images. Hence, learn to install a theme for Magento 2!
Methods to Install a Theme in Magento 2:- Install Manually
- Insert via Composer
Learn both the methods at
https://meetanshi.com/blog/install-a-theme-in-magento-2/