XFree86/OS2 assumes a directory hierarchy starting from drive:\XFree86.
This can be changed, but is strictly discouraged.
Choose a HPFS partition with sufficient free space.
For each package to install, go to the root directory of this
drive, and type:
drive:> cd \
drive:> unzip \path_of_packages\X331xxxx.zip
You might encounter that some packages report duplicate files, e.g.
the X server packages install corresponding README files, which are also
in the X331doc package. This is okay, the files are the same. Let unzip
replace the files.
There is no special sequence of installing packages required.