The Olympus online firmware update service is highly-automated: it checks the firmware used and, if necessary, the latest version can be automatically downloaded and installed. The whole process is very easy and just takes a few minutes. All you need is: 

OLYMPUS Master 2 Software, or
OLYMPUS Studio 2 Software

Available Updates for Compact Cameras and D-SLR Cameras and Lenses
 Compact Cameras D-SLR Cameras D-SLR Lenses
 FE-270 E-1 Body 14-54mm 1:2.8-3.5
 FE-290 E-3 Body ED 14-42mm 1:3.5-5.6
 FE-310 E-300 Body ED 12-60mm 1:2.8-4.0 SWD
 FE-350 Wide E-330 Body 25mm 1:2.8 Pancake
 SP-560 UZ E-400 Body ED 35-100mm 1:2.0
 µ 840 E-410 Body ED 40-150mm 1:4.0-5.6
 µ 850 SW E-500 Body ED 50-200mm 1:2.8-3.5 SWD
 µ 1010 E-510 Body ED 90-250mm 1:2.8
 µ 1020  
 µ 1030 SW

Update Details
14-54 mm Lens
50-200 mm Lens
E-1 Body
E-300 Body