Haworth's Installation Instructions. Now available on the iPhone This is a mobile version of Haworth's current product installation instructions which is replicated from the instructions located on Haworth.com. A manual sync option is available in the application and it is recommended to be executed before any installation begins to ensure the most recent installation instructions have been installed. There will be a full update pushed through the App Store on regular intervals. This app conforms to latest iTunes updates (IOS6).