Current edition of User's Manual:
https://github.com/SCIInstitute/map3d/releases/download/v7.2.5/manual.pdf

Windows Installers and Mac DMGs are available with each release.  

Remember to bump the versions in usage.h

Building on windows
Prereq: Install MS Visual C++ Express 2013
Prereq: Install Qt 5.4 (that was built with C++ 2013, OpenGL, 64bit)
Prereq: Install NSIS
* Open a MS Visual Studio command prompt
* set QTDIR=C:\Qt\<version>
* set PATH=%QTDIR%\path;C:\Program Files (x86)\NSIS;%PATH%;
* ( example in win64-start-map3d-build-env.bat )
* Run buildWinInstaller.bat
* executable is in client/release/map3d.exe and creates map3d.exe installer in working directory

Building on mac
Prereq: Install xcode
Prereq: Install Qt
* ./buildOsxApp.sh
* Creates map3d.dmg and executable is in client/map3d.app/Contents/

Building on linux
Prereq: Install Qt (5.4 or greater)
* export QTDIR=<path-to-qt>
* export PATH=$QTDIR/bin:$PATH
* Untar the map3d source tarball
* cd into the map3d source
* Run <path-to-Qt>/bin/qmake
* make
* map3d will (on Linux) be in client/map3d