1. download q from kx.com:  

        https://kx.com

2. download and install hypertree: 

        http://www.nsl.com/hypertree.zip

3. to get bigtable and sorttable, go to the links page on nsl.com:

        http://nsl.com/hypertree/

then copy sortable.q, bigtable.q, and hypergrid-support.q into the q directory.

4. start bigtable or sorttable:

        cd q
        q bigtable.q

or

        cd q
        q sorttable.q

(but not both at the same time).

then launch simple q table from the links page (3 above).

5. for hypertree:

        cd hypertree
        q h.q
        
then launch hypertree from the links page (3 above).

6. the hypertree github repository, with documentation, is here:

        https://github.com/stevanapter