World of Warcraft does not support 32-bit operating systems.
This article highlights a few passages from the EULA that are most relevant to this policy.
Troubleshooting steps for payment error: Sorry, we're unable to complete your payment.
Blizzard Customer Support cannot sticky/pin threads in the forums. You can request a thread be stickied by posting in the relevant forum.
Phishing filters alert the user if a website is a known phishing website or if it poses a potential security risk.
How to submit feedback about our website or request features
Information about why you may not be able to post in the forums, and steps for how to fix it.