tools: add system check to verify Python versions and Windows Defender status

tools/windows/tool_setup/system_check/system_check_download.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+import sys
+download_url = sys.argv[1]
+output_filename = sys.argv[2]
+if (sys.version_info > (3, 0)):
+    import urllib.request
+    urllib.request.urlretrieve(download_url, output_filename)
+else:
+    import urllib2
+    response = urllib2.urlopen(download_url)
+    with open(output_filename, "w") as output_file:
+        output_file.write(response.read())