Dotfuscator allows you to protect your .NET applications to avoid decompilation into source code. Dotfuscator Community is an optional component of Visual Studio.
If you want to install the Dotfuscator Community, you can use the Visual Studio Installer
Clicking the Modify button of the Visual Studio version you want to install.
Selecting Individual components =>PreEmptive Protection - Dotfucattor. After completing the installation, you can find Dotfuscator in the Tools menu.