Software
All GEMS software is compatible with Windows 7 SP1, Windows 8 (not RT), and Windows 10, both 32bit and 64bit versions. This does not apply to legacy software.
GEMS provide market leading ECU Calibration Software. Download below.
Latest Release versions:
Note: Items with a 
require a license key, either for access or full working operation.
For the lastest Beta Versions click here.
ECU Calibration Software | ||||
| GWv4 | Version: 4.04.09 | File Size: 48.92MB | Download | |
| Release Notes | | |||
Data Analysis Software | ||||
| GEMS Data Analysis Professional | Version: 4.02.05 | File Size: 106.15MB | Download | |
| Release Notes | | |||
| GEMS Data Analysis | Version: 4.02.05 | File Size: 42.79MB | Download | |
| Release Notes | ||||
Display Editing Software | ||||
| GEMS Dash Design | Version: 2.03.12 | File Size: 83.74MB | Download | |
| Display Setup and Layout Editing Software | ||||
Software Utilities | ||||
| WebM Video Transcoder | Version: 1.01.00 | File Size: 60.48MB | Download | |
| 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 | ||||
| Calibration Upload Tool | Version: 2.05.00 | File Size: 1.76MB | Download | |
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 | ||||
| LDS4Editor V3 | Version: 3.96.03 | File Size: 4.87MB | Download | |
| LDS4 Display Editor for firmware versions 08V19 and earlier | Firmware: 08V19 | |||
| MDE37 | Version: 3.18.00 | File Size: 0.97MB | Download | |
| DA37 Editor | ||||
| LDS3R Editor | Version: 1.00.04 | File Size: 8.41MB | Download | |
| LDS3R Display Editor | ||||
| CDE25 | Version: 3.62.00 | File Size: 7.21MB | Download | |
| CD25 Editor | Firmware: 07V27 | |||
| CD34 Editor | Version: 4.03.027 | File Size: 3.63MB | Download | |
| 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 | |||
| LDS4Editor | Version: 4.03.14 | File Size: 7.89MB | Download | |
| LDS4 Display Editor NOTE: If LDS4 unit is firmware 08V19 or earlier use V3 version | Firmware: 24V26 | |||
| CDE24 | Version: 3.60.00 | File Size: 2.90MB | Download | |
| CD24 Editor | Firmware: 07V13 | |||
| GWv3 | Version: 3.20.48 | File Size: 3.90MB | Download | |
| Previous version of ECU calibration software | | |||
| GPME | Version: 2.0.15 | File Size: 4.26MB | Download | |
| PM2 setup editor | ||||
| CDE35 | Version: 4.00.02 | File Size: 2.69MB | Download | |
| CD35 Display Editor | Firmware: 13V10 | |||
| GWv4 Previous Release | Version: 4.02.53 | File Size: 17.67MB | Download | |
| Release Notes | | |||
