I go on "Edit Profile":
Once I'm in my profile, I scroll down the page to find the "Password" line, and I'll be able to change it by clicking on "Change your password" :
This is where I'll be redirected to :
By clicking on "Send", an e-mail will be sent to me.
If I can't find the email in my inbox, I check my Spam/Junk mail. Once I find the mail I click on "Reset my password".
Once my new password has been registered, I login to the site.