DOCS: missing note for Windows about system/env-vars
DOCS: missing note for Windows about system/env-vars

NikolayShubenkovProgSchool/red,red-eco/red,red-eco/red,iArnold/red,vehar/red,iArnold/red,rheber/red,vehar/red,NikolayShubenkovProgSchool/red,rheber/red