If wamp server is not working the problems might be your port 80 is closed. Check if the Wamp Icon Color is Yellow? If yes then below are the solution
Go to Wamp icon and click > Apache > User other port > Enter 7080 as as 8080 might be busy in most case.
Updated Listen 80 to Listen:7080 and ServerName localhost to ServerName localhost:7080.
It will work fine.
Icon get green means its Working fine.