Knotwork download
First you need to download the latest version of the program.
Unzip the archive in the directory of your choice, then run the file 'Knotwork.bat' (for windows),
or type the command:
java -cp Knotwork0.5.jar;geom2d.jar gui.Knotwork
If you're using Linux or a unix-like system, try using the following syntax:
java -cp Knotwork0.5.jar:geom2d.jar gui.Knotwork
In case you experience any problem, do not hesitate to post your question in one of the forums, in particular the help forum.