How to Implement VBA Script to 1000+ Excel Files in One Go

I want to implement given below VBA Script to 1000+ excel files in One go. below script is working but I have to run this script one by one on files. Is this possible to run this script in one go?
All files are in one folder, exact count of files is 1068, 1 sheet in every file.

Sub DeleteCols()
    Application.ScreenUpdating = False
    Dim i As Long, lCol As Long, delRange As Range
    lCol = Cells(1, Columns.Count).End(xlToLeft).Column
    For i = 1 To lCol
        If InStr(Cells(1, i), "/description") > 0 Then
            If delRange Is Nothing Then
                Set delRange = Columns(i)
            Else
                Set delRange = Union(delRange, Columns(i))
            End If
        End If
    Next i
    If Not delRange Is Nothing Then delRange.Delete
    Application.ScreenUpdating = True
End Sub