Downloading OpticSlim 2420+ 4.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
The common filename for the program's installer is AM32.exe. The program lies within System Utilities, more precisely Device Assistants. The most popular version among OpticSlim 2420+ users is 4.1. This free software was originally designed by Plustek Inc.
From the developer:
The management software allows you to control the OpticSlim 2420 flatbed scaner. It is capable of scanning A4-size documents at optical resolution of 1200 dpi and is power cord free. It uses a USB 2.0 High Speed connection, acquiring power from the computer. You can scan and organize all of your documents, photos, articles, brochures and business cards.
You may want to check out more software, such as Plustek OpticSlim 2400+ or webcamOnTop, which might be related to OpticSlim 2420+.