Install or Upgrade TWS 4.0- Installed Version

In order to successfully install the IB Trader Workstation on your PC, your operating system must have the free Java software plug-in.

	Download the free Java plug-in from the Java website.
	Install TWS 4.0- Installed Version on your computer.
	Upgrade to the latest TWS 4.0- Installed version (3/20/2001).