.NET Framework 4.6.28. If you do not have this, your computer will automatically download and install it (with a notification) after installing Source.
Two hard drives (one for the Operating system) and a 10,000 RPM hard drive with write caching or a solid state disk (SSD); and
16GB RAM.
Screen / Resolution
Large fonts (Windows 7) / Custom Scaling greater than 100% (Windows 10) is not supported