Note: This game only runs on Windows 10 Build 1903. Have fun and play! Make sure to run the game as administrator and if you get any missing dll errors, look for a Redist or _CommonRedist folder and install all the programs in the folder.Double click inside the Forza Horizon 4 folder and run the exe application.zip file and click on “Extract to Forza.Horizon.4.” (To do this you must have WinRAR, which you can get here). Once Forza Horizon 4 is done downloading, right click the.Now let the download begin and wait for it to finish. Wait 5 seconds and click on the blue ‘download now’ button.Click the Download button below and you should be redirected to UploadHaven.How to Download & Install Forza Horizon 4 Race, stunt, create and explore – choose your own path to become a Horizon Superstar. Go it alone or team up with others to explore beautiful and historic Britain in a shared open world. Dynamic seasons change everything at the world’s greatest automotive festival.