loc-mirc
Click View:Options from the mIRC menu, and select the “servers” option from the left box. Select DareNET from IRC Network, and click the “Edit” button. You will then see this:
In the password box enter “/username/password” (without quotes).
Note: Replace username and password with your real NickServ username and password. Click “OK” to save the changes. Click “Connect To Server” and look for the authentication successful message.