All GEMS software is compatible with Windows Vista, 7, Windows 8 (not RT), and Windows 10, both 32bit and 64bit versions. This does not apply to legacy software.

Latest Release versions:

Note: Items with a require a license key, either for access or full working operation.

ECU Calibration Software

GWv4Version: 4.04.09File Size: 48.92MBDownload
Release Notes

Data Analysis Software

GEMS Data AnalysisVersion: 4.02.00File Size: 43.93MBDownload
Release Notes

GEMS Data Analysis ProfessionalVersion: 4.02.00File Size: 107.31MBDownload
Release Notes

Display Editing Software

CD34 EditorVersion: 4.01.01File Size: 3.12MBDownload
NOTE: If using v4.00 or later of the editor, version 02v01 or later of CD34 firmware must be used. Setups created or edited with v4.00 may not work correctly with release 01 firmware.Firmware: 02V01

LDS4EditorVersion: 4.03.14File Size: 7.89MBDownload
LDS4 Display Editor
NOTE: If LDS4 unit is firmware 08V19 or earlier use legacy version below
Firmware: 24V26

CDE35Version: 4.00.02File Size: 2.69MBDownload
CD35 Display EditorFirmware: 13V10

LDS3R EditorVersion: 1.00.04File Size: 8.41MBDownload
LDS3R Display Editor

Power Management Software

GPMEVersion: 2.0.15File Size: 4.26MBDownload
PM2 setup editor

Software Utilities

Calibration Upload ToolVersion: 2.05.00File Size: 1.76MBDownload

WebM Video TranscoderVersion: 1.01.00File Size: 60.48MBDownload
WebM Transcoder uses Qt and FFmpeg and is released under the GPL License.
See program about box for further license info.
Source Code:
WebM Transcoder (Code) + FFmpeg + Qt
v1.0.0 code and libs

Legacy Software

Please note the following downloads are no longer supported and should only be used if directed by GEMS or for use with old systems not supported by the current software
GWv4 Previous ReleaseVersion: 4.02.53File Size: 17.67MBDownload
Release Notes

MDE37Version: 3.18.00File Size: 0.97MBDownload
DA37 Editor

CDE25Version: 3.62.00File Size: 7.21MBDownload
CD25 EditorFirmware: 07V27

CDE24Version: 3.60.00File Size: 2.90MBDownload
CD24 EditorFirmware: 07V13

LDS4Editor V3Version: 3.96.03File Size: 4.87MBDownload
LDS4 Display Editor for firmware versions 08V19 and earlierFirmware: 08V19

GWv3Version: 3.20.48File Size: 3.90MBDownload
Previous version of ECU calibration software