Download the latest Chromedriver for your OS from Electron or from the Official Page and place the executable in the folder with the Jar file.
Download the latest Jar file from GitHub Releases.
You need a Twitter Developer Account with an application created.
You need a file called .TwitterScreenshotBotCredentials with your Twitter API keys split up with a ; in one line.
You also need a file called .TwitterScreenshotBotUserList with the Twitter User handles (Without the @) split up with a ; in one line.
Start the bot with java -jar TwitterScreenshotBot.jar