Watch video on how to install and update AAII Stock Investor Pro


You have just purchased Stock Investor Pro, AAII’s fundamental stock screening and research database program. Now what? In this installment of Stock Investor News, we will answer that question by going over how to install the program directly from the Web. This requires a high-speed Internet connection, which is why we also offer the program on a CD. Step-by-step instructions for the CD installation are available in the Getting Started Guide. For timely data updates, we also touch on the weekly updates available online and the differences between the two update files.

The full program installation file is available at the Stock Investor download area of Visit our website at and click on Stock Investor Pro at the very top of the home page.

At the Stock Investor page, click on SI Pro Data Updates in the blue box on the right side of the page to open the Downloads page. Here you will find a total of six file choices available. To install the program for the first time, choose Program/Data Install, which is the first option.

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