Simatic Manger V5.5

Greetings


i do deal with Siemens system with S7 400(412-5H)
this system is configured using the Simatic manger V5.5



i do have that software with service pack 4 - which i do know it is the last service pack for that version- but when i try to add one of the IM(s) in the hardware i find out it is needs service pack 5
could any one help how to find this SP ?

Look at this
https://support.industry.siemens.co...-5-sp5-or-step7-5-6/157639?page=0&pageSize=10

thanks a lot
that was helpful