Puppeteer Sharp is a .NET port of the official Node.JS Puppeteer API. As Puppeteer-Sharp is a NetStandard 2.0 library, The minimum platform versions are .NET Framework 4.6.1 and .NET Core 2.0. The minimum Windows versions supporting the WebSocket library are Windows 8 and Windows Server 2012. Mono is required on Linux if your project targets the .NET Framework 4 or earlier. Read more about installing Mono here.