On Error Resume Next
strComputer = "." 
const x=1073741824
Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\CIMV2") 
Set colItems = objWMIService.ExecQuery( _
"SELECT * FROM Win32_LogicalDisk",,48) 
For Each objItem in colItems 
y=round((objItem.FreeSpace / x),2)
msgbox objItem.Description & "：" & objItem.Caption & " 磁盘类型：" & objItem.FileSystem & " 剩余空间：" & y & " GB"
Next
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