How to Accept All Friend Requests on Facebook on PC or Mac
Open the Chrome Web Store in your internet browser. Type https://chrome.google.com/webstore into the address bar, and hit
Enter or ⏎ Return.
Search Toolkit for FB on the Web Store. You can use the search bar below the “chrome web store” icon on the upper-left corner of your screen.
Click the Toolkit for FB by PlugEx app under Extensions. It should be at the top of the search results. Clicking will open the app details in a new pop-up.
Click the blue + ADD TO CHROME button. This will allow you to download and install the extension.