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TunerStudio MS, the most most advanced and refined MegaSquirt Tuning software available.

The registered and Lite! editions are the same installer.

For beta Releases go to: Beta Download Site


Windows Support

For Windows XP, Vista, Windows7, Windows 8 & Windows 10

TunerStudio MS version 3.1.06(Approximately 76 MB)                                 download

alternate TunerStudio MS download site

MegaLogViewer MS Version 4.4.25 32 Bit (38MB MB)                                  download

MegaLogViewer MS Version 4.4.25 64Bit (40 MB)                                        download

alternate MegaLogViewer MS  download site


Learn More about MegaLogViewer HD

MegaLogViewer HD Version 4.4.25 32Bit (38MB MB)                                    download

MegaLogViewer HD Version 4.4.25 64Bit (40 MB)                                          download

alternate MegaLogViewer HD download site


Support for OS X 

TunerStudio and MegaLogViewer MS For Mac OS X 10.7+

TunerStudio MS version 3.1.06 (Approximately 117 MB)                           download

MegaLogViewer MS Version 4.1.05 (67 MB)                                               download

MegaLogViewer HD Version 4.1.05 (67 MB)                                               download


For Linux

TunerStudio MS version 3.1.06 (Approximately 51.2 MB)                          download *

MegaLogViewer MS Version 4.4.25(4.6 MB)                                               download

MegaLogViewer HD Version 4.4.25 (4.6 MB)                                               download



For Android

  Shadow Dash MS v 1.6.10 (09/25/2018)                                      download

Now with Auto Update so it will update itself.
To get the Shadow Dash Beta, see here


Shadow Logger MS - version 1.21                                                               download
Free, No Expiration,
most users will want to use Shadow Dash,
but Shadow Logger works on Android 2.1



* Linux is a tar files. You will need to extract them to a folder of your choice and start them using the .sh file.

** If you install the 64 bit version of MegaLogViewer, you must also have a 64 bit JRE installed.



Preview Release.

Check out the beta Releases at:

Beta Download Site