Hello, i looked on google briefly and i cannot get th

Do i have to setup any additional stuff to get the devtool working ?
here is my console error
C:\Users\xpyth\Desktop\dcpTest>go run main.go

2022/04/25 02:30:11 Get "http://localhost:9222/json/list": dial tcp [::1]:9222: connectex: No connection could be established because the target computer expressly refused it.
exit status 1

I also tried to disable my firewall in case it could cause issues, but did not worked too. Can anyone tell me what i did wrong please ? Thanks in advance !