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System Requirements:
Windows NT4/95/98/2000/XP/Vista/Window 7, 8 and 10.

SoftChemistry 4.20 can be installed directly from the web. The installation may take a few minutes, depending on your internet connection.

Step One - Download
Click one of following two links to start the download:

1. Download Site 1: SoftChemistryInstall.exe (6.02MB)
2. Download Site 2: SoftChemistryInstall.exe (6.02MB)

Step Two - Install

Install SoftChemistry by running SoftChemistyIntall.exe and follow the instructions on the screens. Although the software has been downloaded to your PC, a serial number is needed for its activation. You need to place an order (next step) and obtain the unique serial number for your PC to activate any titles.

Step Three - Enter Login Information

Launch SoftChemistry by going to Start menu > Programs > MolecularSoft's Products > SoftChemistry 4.20. Upon the startup of the program, click any modules or titles, it will popup a dialog box allow you to enter your email address and password. Click Login Button will send your login information to the online server to authenticate. If it is successful, you will use all of titles.

Enjoy your journey of exploring SoftChemistry!

If you have any question, send an e-mail to

Product Overview
Atomic Structure and Periodicity
Basics of Chemistry Calculation
Chemical Bond and Molecular Structure
Balance Chemical Equations
Acids and Bases
Gas-Phase Chemistry
Chemistry of Solution
Thermochemistry and Thermodynamics

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