Kx offers both a free 64-bit on-demand version of kdb+ and a free 32-bit version, both for non-commercial use. The differences between the two versions are itemized in the table below. Feel free to download either one, or both by clicking below.

Click here to read about the latest release of kdb+, version 3.6.

If you are interested in licensing kdb+ for commercial use, or embarking on a proof of concept project, please email

64-bit Personal Edition (on demand) 32-bit Personal Edition
Download Download
Works with Kx DeveloperYesNo
Works with Kx AnalystYesNo
Allows commercial use?NoNo
Requires 'always on' internet connection?YesNo
Access to technical support NoNo
Access to customer Q&A forums NoNo
Access to community support (GitHub/Google Groups etc) YesYes
Permitted to run on cloud? NoYes
Permitted to run on-premises? YesYes
Linux/Mac/Windows versions available? YesYes
64-bit version? YesNo
Immediate access to upgrades, patches and beta versions NoNo
Regular access to upgrades YesYes
Access to Kx Fusion Interfaces and integrations YesYes