Downloads old

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If the automagical updater that is built into kJams fails for some reason (or you're crashing during the update or on startup), it's probably due to a newly introduced bug, which is probably now FIXED in the current version. So just go download the latest version (see above right or find the one you want on this page), and install it manually (replacing the one that was there before). Hopefully from then on the auto-updater will work again.

Updates to kJams are always free, and they happen frequently. Upgrading from 1.0 to 2.0 is a paid upgrade.

If there's a brand new release, and you update to it, and it crashes on startup, believe me I already know about it and am working to fix it as you read this. (However, please tell me anyway, the more people that report it, the faster I work). Meanwhile, you can easily Downgrade to the previous version. When you run the downgraded version, do NOT update until there's an even newer version available, which should happen very shortly.

kJams 2 Open Development

kJams 2 development builds have been opened up for public purchase. Yes, you'd be buying into early access to software still in development, which means it may be buggy, and will have features missing. Please see the kJams 2 page for info about what is working and what is not.

WARNINGS for Windows users

WARNINGS for Mac users


You don't have to buy it to try it out, it's ShareWare! Just go download it (see below). Note that unlike typical ShareWare, I provide FULL tech support and all updates are free. The ShareWare is limited by functionality, not by time, so there is no "expiration". See below for the Limitations.


First, see the Refund Policy
For instructions on how to purchase, see the section on Purchasing.


Keep in mind that kJams 1.0.1 is currently "Beta". (click here for an explanation) That means I'm still ironing some bugs out, but it's definitely solid enough to run your shows and parties.

kJams 2.0 is in "Development". You have been warned.

You should also know this:

Telephone tech support is available on tuesday and thursday evening after 7pm
pacific time, and e-mail tech support is available usually within 1 business hour.


There are some minor Tryout Limitations.


System Requirements are listed here.

Licensing and Serial Numbers

Did you read the License Agreement?

Here is all the info on Serial Numbers.

Actual Download Links



Song files to try:

Other Things

This link describes just how to install kJams, and also how to install different audio encoders and decoders. There are some other interesting downloads there too (including a Sample song)


  • the "Burning" plugin is built in, there is no installer! Try it and if you like it, buy it (see Prefs->Burning). To burn a full disc, requires purchase of either Lite or Pro (Burning Tryout allows you to burn 2 songs per disc). Go to prefs->burning!
  • Mac Only: the "Producer" plugin is built in, try it for free! If you're burning Discs with CD+G songs created with Producer, you'll have to purchase it to remove the red "X" marks.

Remote Control

Just for Fun

  • Crossfade your audio between kJams and iTunes
  • Other code for you wild and crazy types.

Mac and the Mac logo are trademarks of Apple Computer, Inc., registered in the U.S. and other countries
Microsoft and Windows and the Windows logo are trademarks of Microsoft, Inc., registered in the U.S. and other countries