Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email firstname.lastname@example.org.
With PayPal Login button customers can log in with their PayPal credentials right away. With our module http://boldretail.net/paypal-login.html you can implement PayPal login on your Magento store in 10 minutes. Module is delivered with detailed instruction how to setup PayPal account details to support login on your store.