You can easily use free servers to put your game without any problems.
go to zymic.com
Register there for free and create your site name.
(here is the example of my minecraft clone game using their free host
Export your awesome game from construct (export as HTML 5 game)
Download FILE ZILLA program. which allows you to upload your game to your web site.
(Basically, follow the instructions how to upload files on your website, which you can find when you create your site name on zymic.com