How about using windows utility to connect? http://www.tp-link.com/en/faq-306.html

The range extenders use Proxy mode to bridge with routers. In Proxy Mode, Range Extender will replace each of its clients’ MAC address with a virtual MAC address generated automatically by Range...

Antennas are plug and plug. No need any driver.

The default login username and password are both admin. If you have changed then and don't remember that, reset the repeater. The password when configuring after login is the wireless password of...

You can manually customize the wireless settings of the extender to the same as your internet box. Look here: http://www.tp-link.com/en/faq-1611.html

No idea. If you just keep the lan ip as 192.168.0.1, any problem happen?