>> Does anyone know how to install pkgtool???
>> I delete it!
>>
> If you have KDE installed then you could use "kpackage" to install
> Slackware packages. You might have to run through the configure it to
> use the Slackware package format.

That wouldn't work, kpackage is just a frontend for various commandline
package tools. To the op, just untar it into your / directory, run the
shell script in /install, then delete /install, as someone else has
explained.