en_tn/act/10/45.md

the gift of the Holy Spirit

This refers to the Holy Spirit himself who was given to them.

the Holy Spirit was poured out

This can be stated in active form. Alternate translation: "God poured out the Holy Spirit" (See: rc://en/ta/man/translate/figs-activepassive)

poured out

The Holy Spirit is spoken of as if he were something that could be poured out upon people. It implies a generous amount. Alternate translation: "generously given" (See: rc://en/ta/man/translate/figs-metaphor)

the gift

"the free gift"

also on the Gentiles

Here "also" refers to the fact that the Holy Spirit had already been given to the Jewish believers.