Routers don't "support" any OS, they operate on the TCP/IP level, which is standard between every operating system.
If you are referring to the software that comes on the CD with the router, you don't actually need to use that software, it is just a wizard to automate the router's configuration.
If you aren't able to connect to the router with your laptop, then the problem is going to be with the WLAN device in the laptop itself, which actually does have to work under Linux directly.
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