Tosun, who has scored 41 goals in 96 Turkish Super Lig games since the start of the 2014-15 season, says boss Sam Allardyce was a key factor in his decision to move to Goodison Park
"I bring my skills here and everybody is going to see what kind of player I am. I believe I can be a good player in the Premier League for Everton.
"The Premier League is a strong league, I know that, so my own physical strength will help me. Also I can use both feet the same and I believe I am a good striker in the box.
"I'm really excited to work with my new team-mates because Everton has really big names, big players.