I publish Windows Forms application using ClickOnce. The installation is quite big considering the overall size of this app. It\'s something over 15 MB. If I compress locall
ClickOnce does not have any built-in compression support. But you can use HTTP-compression at the web-server level.
Follow these steps to enable compression under IIS7:
%windir%\system32\inetsrv\config\applicationHost.config (see my comments, other lines are default)
Still not working?? Add this to the same file (by default IIS 7.0 does not compress files unless they are "frequently requested")