How do i install v5 pihole on rpi4?

[doable7322]

4 clients not recognized

i issued a new static ip and name of a device and issued same specs of mac,ip,name and pihole is still not issuing its name under devices, just ip. but shows the device ip is using pihole. i am also using format for every device example: 00:20:e0:3b:13:af,192.168.0.123,laptop