SQLEXPR.exe /QS /IACCEPTSQLSERVERLICENSETERMS /ACTION=INSTALL /FEATURES=SQLEngine /INSTANCENAME=SAGEPAIE
Setup_Sage_Paie.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /LANG=FRENCH /DIR="C:\Sage\Paie" To also install SQL Express silently: installation sage paie