How to create «Buy Now» button using PayPal Button Manager

Step 1.

Log in to your PayPal account.
On «My Account» tab select «Profile» → «More Options» from the top menu.

Step 2.

The «My Profile» screen will be opened.
Select «My selling tools» from the left sidebar:

Step 3.

On «Selling online» section click «Update» in «PayPal buttons» row:

Step 4.

The «My Saved Buttons» screen will be opened.
Click «Create new button»:

Step 5.

The «PayPal Button Manager» will be opened:

Step 6.

Design your button.
When you have finished, copy an autogenerated code to clipboard, and paste it in Discourse admin panel in PayPal «Buy Now» plugin field.