Go to the official extension page in the Google Chrome Web Store. Click the "Add to Chrome" button to add the extension to your browser. Confirm the installation in the pop-up window. After installing the extension, check the extensions icon in your browser () in the top-right corner, find our extension, and click pin extension ().

Click on the extension icon in the top-right corner of your browser (). In the extension pop-up, click the "Add Themes" button. Our website - catalog will open in your browser. Hover your cursor over any theme you like and click the "Add" button.

After adding themes to the extension, hover your cursor over any of them. Click the "Apply" button to activate the theme on Facebook. To remove a theme, click the corresponding button with a trash icon. Clicking the heart icon will add the theme to your Favorites menu, where you can easily find it at any time. Click the heart icon again to remove the theme from Favorites.

Open the extension window and click the "Customize Themes" button. You will see four toggles, each controlling a theme module: changing interface element color, changing font colors, applying a custom font, and applying wallpaper. Customize the theme according to your preferences.

Each theme has separate presets for LIGHT and DARK modes, which are applied automatically. To switch between modes, use your Facebook or OS settings.

In the top-right corner of the extension pop-up, you will find a toggle button to enable \ disable the extension. After disabling the extension, your Facebook page will return to its default interface settings. Enabling it again will reapply the previously activated theme, and you won't need to reconfigure it.

Right-click on the extension icon. In the menu that appears, click "Remove from Chrome." Refresh your open Facebook tab to completely remove the extension from your page.