Download Wing 101:

OS X Installer
64-bit Intel

System Requirements
Change Log

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Also Available:   Installers  

The easiest way to apply patches is with Check for Updates in Wing IDE's Help menu. To apply a patch manually, unpack it into the Installation Directory listed in Wing's About box. After restarting Wing, the About box will also show the installed patches by number.

Create user prefs file4.1.10-1p3  Fix failure to write the user preferences file in new installations

Other OSes:   Windows   Linux 64-bit   Linux 32-bit  
Other Versions:   5.0.9-1   4.1.14-1   3.2.13-1   older versions

Patches for Wing IDE 101 v. 4.1.10-1