Make a backup of your project before follow this guide. You should also be upto date on all the previous guides before following this guide.
Close your project and go to the link below and download and unzip the folder and copy the new folder. Then navigate to your project files (This is where the content, Config and Project Shortcut files are located) and paste in the folder you downloaded.
You will be asked to replace existing files in the folder click Replace the files in the destination one the copy is done you are finished you can open your project.