See how to install and use Kallisto here
kallisto 0.46.0
Usage: kallisto <CMD> [arguments] ..
Where <CMD> can be one of:
index Builds a kallisto index
quant Runs the quantification algorithm
bus Generate BUS files for single-cell data
pseudo Runs the pseudoalignment step
merge Merges several batch runs
h5dump Converts HDF5-formatted results to plaintext
inspect Inspects and gives information about an index
version Prints version information
cite Prints citation information
Running kallisto <CMD> without arguments prints usage information for <CMD>