Download the code and unzip the folder. Then go to edge://extensions or chrome://extensions, and switch to developer mode.
Select Load Unpacked and select the unzipped folder. Click on the extension for it to start farming.
Credits:
The array of some of the words to search up come from here: https://github.com/words/an-array-of-english-words. The logo is Microsoft Rewards' logo. The code for the new window comes from http://skilifts.org/.