i want to die

hi i to have suffering from severe depression since I was 25 years old all so i have a lerrnning and spelling disabily and naver can sleep . I will be 48 this year im planing on commit suicide some time this year as I have wanted to this for over 10 years all be so glad when my life is over and i now longer have to suffer sorry this is so long how can i do it i want my life to be over