How to Install Slime on Windows
Install the Slime files into your VST folder manually. This video shows how. Don't forget the presets!
The above video for Oracle 2.0 is the exact same instructions for Slime.
How to Install on Windows
No Presets In Plugin
If you run Slime and only see the message "Couldnt find any instruments" in the plugin, the presets are probably still inside your download folder (folder called #PRESETS)
You need to copy the contents of that folder into the Slime.instruments folder that is in your vsts folder.