Desktop Magnifier is a software to magnify portions of your desktop or software windows. It works similar to the standard Windows Accessibility Tool, however offers additional features like an optional smoothing mode that applies anti-aliasing to the magnified view, as well as a grid overlay. The magnified image can be captured and saved to .BMP file or copied to the clipboard.

The license of this software is Free Trial Software, the price is $19.95, you can free download and get a free trial.