How to Download and Install the Trial version of What’sBest! 11.1 in Excel 2010

What’sBest! is an excellent add-in to Excel that allows us to solve linear, non linear, integer and probabilistic (stochastic) optimization models through an easy and intuitive interface. This program is highly recommended both for students as for professors in the field of Operations Research and is available in a free trial version. The following tutorial shows, step by step, how to download and install the trial version of What’sBest! 11.1 if you are user of Excel 2010 (if you have another operating system or version of Excel this tutorial will also help you for sure).

How to Download and Install the Trial version of What’sBest!

Step 1: Verify the operating system you use and the number of bits associated. What’sBest! It is compatible with Windows 2000, XP, Vista, Windows 7 and Windows 8. In this case we will show how to activate the add-in on a computer that uses Windows 7 Home Premium with a 64-bit operating system. To verify this setting go to My PC (or Computer) and then Properties of the System.

Properties of the System

In the system information, you can find the number of bits associated with your operating system as shown in the following image:

operating system bits

Step 2: Log in the download section of What’sBest! in the website of Lindo, a company located in Chicago, United States, with more than 22 years of experience in the development of software and applications for optimization and decision support. After getting to the download link, you must select the version of the program that is compatible with your operating system and your version of Excel.


Step 3: Fill out the form to get the file with the program. The fields with an asterisk (*) are mandatory.

form whatsbest

After completing the above correctly and pressing Submit, you will get a message indicating that a download link for the version of What’sBest! has been sent to the email address that you have provided.


Step 4: Log in your email address (the one provided when filling in the form). You should have received an email from LINDO Systems Inc with the link to download the program as shown below. (Confidential information has been hidden with black stripes and download link with red). Select the download link and will begin to download the program that comes on a file compressed in ZIP format to your computer.


Step 5: Once the download is complete (by default the file will be saved in the Downloads section of your computer) open the ZIP file and then run the setup.exe file inside as shown in the following image:


This will make the installation application that will guide you in the process of software activation.


licence agreement whatsbest

Step 6: The installation is complete. What’sBest! will be available at the right of the Add-Ins menu. The program is ready to be used and solve your optimization models.


Now that What’sBest! is installed on your computer you are ready to solve an optimization model.

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