ERP 6.0 EHP6 for MOPZ

Hi all,

I have installed fresh EHP6 ERP 6.0 system in that central compnnest will be 606 other componnets under 600 level,Now I need to upgrade the other componnets 606 ,NOw I am in MOPZ transaction now I need to select Maintainece option or enhnacement installtion option.

One more point I need to upgrade through Saint or sum ?

Please suggest its urgent for me