I want to use WPF Masonry. Downloaded from GitHub via this link: https://github.com/Lizzaran/WPF-Masonry
I didn't make any changes to the code at all.
At assembly (build) errors take off:
What am I doing wrong?
Maybe you need to first connect something, and then compile?

.NET v4.5.2. There are two ways - to install a new version of Dotnet or change the code for an older version. - Ev_Hyper