If Windows (8.1 client, 2012 Server) runs then it's assumed that the tools also run. Related to Sysmon, it's lightweight as it doesn't perform heavyweight operations in the filter drivers, but it's a matter of measuring impact for your specific use case.
The tools are designed to be as lightweight as possible, self-sufficient (single executable) and non detrimental to the machines they run on.
TLDR - the same requirements as Windows itself.