Google Chrome:
Open the Chrome Web Store.
Find the Chrome extension you want to install.
Click “Add to Chrome.”
If you need to approve permissions or data, the browser will populate a popup to request permission. To approve, continue with the install.
Additional Resources:
Edge:
Open Edge, then click the menu (three dots) button in the top-right corner.
Click on the “Extensions” button in the drop-down.
Click the “Get extensions from Microsoft Store” link in the left-hand menu.
This will open the Microsoft Edge Store. From here, you can search for the Extension you want to add.
Once you’ve selected an extension, select the “Get” button to begin installing it.
Once the confirmation pop-up appears, click “Add Extension.”
Once the extension has been installed, Edge will display a notification to confirm and highlight the icon for your extension. The extension icon will appear next to your address bar, as well as appear as an entry on the “Extensions” settings page.
Safari:
Open the Safari Extensions Store.
Find the Safari extension you want to install.
You will be prompted to “View in the Mac App Store.” Click this button to proceed.
Once you’re in the Mac App Store, hit the “Get” button next to the extension and follow the steps to install.
Firefox:
Open the Firefox Browser Add-Ons Page or click the menu button , click Add-ons. You can view recommendations for you or go to “Find more add-ons” and view options within the Add On page.
Click on the extension you want to install.
Additional Resources: