How to rebroadcast/extend/repeat a wifi signal?

Alexbrazilian

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Oct 11, 2014
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I changed my phone's data plan from unlimited to limited so now I wanna use my work's wifi connection to connect my phone to, but the problem is:
1) Using my company's laptop, a Lenovo laptot that is already connected to the wifi which I cannot get the password or physically access the router

2) I have administrator's privilege on the laptop and can install hardware/software if necessary, but cannot use connectfy or similar softwares because my network card doesn't support hosted network (Intel(R) Wireless WiFi Link 4965AGN with the latest update)

What are my options?? I'm running windows 7 professional 64 bits, I also don't have LAN connection to connect to and get internet from(but I have the ethernet port working) only the wifi network that I'm connected to. The laptop is also bluetooth enabled. Ah I forgot to tell that I also bought an Edimax EW-7811un, but it seem that in order to use I need to know the wifi's password which I don't know!
How can I rebroadcast/repeat/extend this wifi signal so my phones can connect to it?