Hello,
not sure what you have configured so far, but make sure it looks like this (connect to the router console port with a console cable):
conf t
int vlan 1
ip address 192.168.1.2 255.255.255.0
exit
username "name" password 7 "password"
ip http server
ip http authentication local
After configuring the above, set the IP address of your computer to 192.168.1.1 255.255.255.0, and browse to 192.168.1.2, then use the username and password you have configured.
HTH