VLAN question?

Hi,

I was wondering if someone could shed some light on the issue im having, Currently i have
HPE OfficeConnect Switch 1920

what im trying to do is create a VLAN on port 24 which would give me 192.168.15.0/24 instead of 192.168.0.1/24

This is what i have so far on the swich

https://imgur.com/mbzes0s.png

https://imgur.com/6tTn69p.png

https://imgur.com/zHC6v6V.png

https://imgur.com/QH47QRL.png

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there is a part on VLAN/interface config but im not sure what setup i should put?

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https://imgur.com/ppnmML3.png

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Thank you