Kdb+ Learning Note (1) — Installation

1. 64-bit version on demand

Free, non-commercial, 64-bit kdb+ on demand in the following link

kdb+ on demand | Kx Systems

2. Download the latest version 4.0 for Windows

w64.zip

3. Unzip and put the license in the unzipped folder.

├── kc.lic
├── w64
│   └── q
└── q.k

4(a). Set environment variable QHOME and path

setx QHOME "C:\q"
setx PATH "%PATH%;C:\q\w64"

• change “C:\q” to the path of your unzipped folder with kc.lic in it.
• ‘license error: k4.lic’ when starting might be from failure to set up the environment variable correctly.

Or..

4(b). Go to control panel/ system/ Edit environment variables

• Use “New…” button to add variable QHOME with value of the unzipped folder’s location.
• Use “Edit…” button to edit variable Path(or PATH) with value of the unzipped folder’s location.

5. Run ‘q’ in command to run kdb+ and ‘exit 0’ to exit.

Simply run ‘pip install pyq’ if you have python installed.