# Uploading a Theme

* Go to **Settings** from the admin menu, find **Design & branding** and click **Customize**
* Click **Change theme** in the bottom right corner
* Click **Upload theme** button in the top right corner
* Click inside the upload box to select a **principle.zip**, or drag-and-drop the **principle.zip** into the upload box
* Once uploaded, click **Activate** to activate the theme or do it later (you can find the theme in the **Installed themes** menu)