Dim FName As String
Dim FPath As String

FPath = "G:"

FName = Sheets("sheet 1").Range("A1").Text

ThisWorkbook.SaveAs Filename:=FPath & "" & FName

Dim FName As String
Dim FPath As String

FPath = "G:"

FName = ThisWorkbook.Sheets("sheet 1").Range("A1").Text 'use ThisWorkbook since you are running from Workbook1

With Workbooks("Workbook2.xlsx")
    .SaveAs Filename:=FPath & "" & FName
    .Close True '-> use false to not save changes
End With
'here you need to tell VBA what specific workbook you want to save
'if you used ThisWorkbook here, you would save the workbook where the code runs from, which is Workbook1

Dim FName as String, FPath as String
Dim wkb1 as Workbook, wkb2 as Workbook

Set wkb1 = ThisWorkbook '-> or Set wkb1 = Workbooks("workbook1")

FPath = "G:"
FName = wkb1.Sheets("sheet 1").Range("A1").Text

Set wkb2 = Workbooks("workbook2")
With wkb2
    .SaveAs Filename:=FPath & "" & FName
    .Close True '-> use false to not save changes
End With

Workbooks("Workbook2Filename.xls").SaveAs Filename:=FPath & "" & FName

Dim FName As String
Dim FPath As String

Dim wbBook1 As Workbook
Dim wbBook2 As Workbook

Set wbBook1 = ActiveWorkbook
Set wbBook2 = Workbooks("Workbook2Filename.xls") 'assumed workbook 2 is already open

FPath = "G:"
FName = wbBook1.Sheets("sheet 1").Range("A1").Text

wbBook2.SaveAs Filename:=FPath & "" & FName

Set wbBook1 = Nothing
Set wbBook2 = Nothing