Go to share.yesvideo.com and click the "Sign In" button on the bottom of the page.
Click the "Forgot your password?" link at the bottom.
Enter the email address you used to create an account with us, and we will send reset instructions to your email address.
If you want to change your password, go to "My Account" in the Account menu in the upper left corner of share.yesvideo.com. From there you can update your password.