easiest is to create a query:
SELECT dbo.tblComputers.Computername, dbo.tblOperatingsystem.Caption, dbo.tblOperatingsystem.CSDVersion, dbo.tblOperatingsystem.OSLanguage FROM dbo.tblComputers LEFT OUTER JOIN dbo.tblOperatingsystem ON dbo.tblComputers.Computername = dbo.tblOperatingsystem.Computername