* * * * * * *     PKUNZIP.EXE      * * * * * * *

You may find it helpful to print these instructions, and have them in front of you, when UNZIPPING software.

PKUNZIP.EXE is a FILE DECOMPRESSION tool.  It is what was used before WINZIP and other file compression (ZIPPING) and decompression (UNZIPPING) came along.  It is simple, small, and works very well.

Many of the software packages on this Web Page come in "zipped" form as a file named SPICE.ZIP, PHASORS.ZIP, MPP.ZIP, etc.  These .ZIP files in most cases contain several other files, all compressed (ZIPPED) into the single .ZIP file.

Once you download a ZIPPED file to your PC, IN GENERAL it must be installed by being "unzipped",
using PKUNZIP.EXE.  Let us assume that you want to install PSPICE in a subdirectory on your PC.   Also, let us
assume you have already downloaded two files from this Web Site:  PKUNZIP.EXE, and SPICE.ZIP.

You can install the bare bones PSPICE version 6.1 as follows:

A.  CREATING A SUBDIRECTORY FOR THE PSPICE FILES:
    1. From within WINDOWS, click the START button (at bottom left of desktop screen).

    2. Choose RUN, and where it says Open:, enter COMMAND and then click OK   This should land you in a DOS
        window, where the "DOS prompt" showing at top left is C:\WINDOWS\Desktop>

    3. Type CD\    and hit ENTER.  This will bring you to the C drive root directory, and the prompt will be C:\>

    4. Type MD PSPICE   and hit ENTER. (This will create a new subdirectory on your C drive, under the root directory).

    5. Type CD PSPICE   and hit ENTER.  This will put you in the PSPICE subdirectory on your C drive, and
        the prompt will be    C:\PSPICE>

    6. Type EXIT and hit ENTER.  This will put you back in Windows.
 

B.  PUTTING PKUNZIP.EXE & SPICE.ZIP IN THIS SUBDIRECTORY
    1. Find where these two files are on your PC, using Windows Explorer or other file utility.  HINT: when you
        downloaded them, you told Windows where to file them.

    2. Move these two files into the C:\PSPICE> subdirectory.
 

C.  INSTALLING PSPICE FILES IN THIS SUBDIRECTORY
    1. From within WINDOWS, click the START button (at bottom left of desktop screen).

    2. Choose RUN, and where it says Open:, enter COMMAND and then click OK   This should land you in a DOS
        window, where the "DOS prompt" showing at top left is C:\WINDOWS\Desktop>

    3. Type CD\    and hit ENTER.  This will bring you to the C drive root directory, and the prompt will be C:\>

    4. Type CD PSPICE   and hit ENTER.  This will put you in the PSPICE subdirectory on your C drive, and
        the prompt will be    C:\PSPICE>     To be sure you were successful in moving the files, type DIR and
        hit ENTER.  You should see PKUNZIP.EXE and SPICE.ZIP as the two files in the subdirectory.

    5. Type  PKUNZIP  SPICE.ZIP   and hit ENTER.  This should extract (UNzip) all the files you need
        for barebones PSPICE  version 6.1.  Refer to the file HOW2USE.TXT for details on setting up and using
        bare bones PSpice version 6.1.
 
 


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