The software cannot be running on Linux unfortunately... It is only Windows and MAC compatible... http://www.tp-link.com/en/download/Archer-C7_V2.html#Utility

In PA4015PKIT, there is a wireless powerline extender? What's the model of it? Does it ask for Wi-Fi name and password? If there is a powerline extender, is it using the same Wi-Fi name and password...

Buy a range extender like TL-WA850RE or powerline extender kit like TL-WPA4220KIT to boost Wi-Fi signal. You can check details about those devices on TP-LINK website.

As I know, some models are plug and play on Windows 10 but no TP-LINK driver for Windows 10... TL-WN723N V3 and TL-WN725N V2 are recommended if you need to use the adapter urgently....

If you use MAC address, you have to add multiple rules(hosts). It is not complicated at all because you can use the same target and schedule. If you want to add only one rule with IP range, you have...

Cannot. http://forum.tp-link.com/showthread.php?80565-M7350-send-MMI-code