If you have a WeTransfer or Collect account with the same email address used to access Paste, then changing your password will affect these products too.
Reset your password from the login screen
If you have forgotten the password to your Paste® account, you can request a password reset email from the login screen.
On the login section of www.pasteapp.com, click the Forgot password? link and you'll be taken to this screen:
Enter your email address, and you should receive an email shortly, in which you can set a new password.
Reset your password when logged in to Paste
You can also reset your password from your Account settings in Paste. Click here to go there directly, and follow the prompts to change your password.