Mgcamd1.38 to mgacamd1.45

Hello,

I have mgcamd1.38, it's working perfect, but I need to change it to mgcamd1.45.

Is an easy way to change them, or preferably is to delete 1.38 permamently and then install the 1.45?

(Amiko Allien 8900, Spark)

Thanks