E-1

You can update the firmware for the Olympus E-1 body using the bundled Olympus software and an Internet access connection. For detailed instructions on applying these firmware updates, go to the following webpage 

For more information on the latest firmware version available for this product, please refer to the following chart.

OLYMPUS Studio 1.x/ OLYMPUS Viewer 1.x driver for the E-1, E-300, E-330, or E-500 cameras under Windows XP Service Pack 2. Do not use this driver with the Olympus Studio 2.x software. 

For instructions on installing this driver, go to the following webpage.

Update for OLYMPUS Viewer version 1.x to version 1.51

Update for OLYMPUS Studio version 1.x to version 1.51

Download Olympus Viewer here