Run install.exe program to begin of installation process for GRIFO(r)
programmers software. Attention to free memory size of DOS task - must be
470 kB or more.

If you have some problems during installation process, try to install PG4U
software manually. Rename file PG4UDAT.DAT to PG4UDAT.EXE, copy these file
to destination directory and then run PG4UDAT.EXE. Self-extraction-exe
PG4UDAT.EXE extract all of necessary files and next it can be deleted.