Installing Squirrel
While I was searching for a way to make ClickOnce deploy easier after all hardship about certificate and identity errors, I bump into Squirrel.Windows. Thanks to Travis's comment in this question: Deploy a ClickOnce application without signing. Even though no one answer that was Marked ans Answer (yet at the time), the comments really help to give me an idea about some alternatives.
I create a new project that target a .Net Framework 3.5 and start searching for it in the Manage Nuget Packages for Solution.Current latest stable version is 1.4.0. I install it right away.
