The user manual of Shadows is available on-line for reading or downloading on your computer. It is also available as a printed manual from a print-on-demand service. The manual has 150 pages fully illustrated in colors, describing all the program features and explaining the bases for understanding sundials and astrolabes.
The user manual is also available in: Français, Español, Deutsch, Italiano, Brazilian Portuguese and Czech. User manuals must be copied into the Shadows Data folder in order to be used from within Shadows; Use the integrated download function in the Help menu of Shadows.