Revert "this is first commit in github after add back third commit in windows"

This reverts commit 3767c8022cba59d18a484e291190a4aee3c58e12.
Revert "Revert "this is first commit in github after add back third commit in windows""

This reverts commit 7734325c7860171acfdc925c03cbe132a4872bd0.