A:AnswerThis extender is Wi-Fi 6, not Wi-Fi 7, but it should still work with a Wi-fi 7 router by extending the compatible bands. You will get good coverage, though speeds will match the extender's Wi-Fi 6 capability.
A:AnswerYes, it should be compatible with Windstream routers as long as they provide a standard Wi-Fi network. setup is straightforward and works well in typical home environments.
A:AnswerBoth are the latest WiFi 6 technology and 802.11ax compliant so they "should" work together. That's why there are industry standards, after all.