It supports roaming but seamless roaming. Read the article as below. http://www.tp-link.com/en/faq-593.html

You tried the driver for Windows 8 but it won't work? http://www.tp-link.com/en/download/TG-3468_V2.html#Driver No driver for Windows 10 currently...

Keep an eye on their website...

The current utility may not be able to work with Windows 10...

It is strange indeed but it should be a wiring issue...

Now powerline lights on all powerline devices are on? The smaller one in WPA2220KIT is conencted to the main router? Run the MAC utility and login web interface to find out the current password. If...