How do I enable security on the wireless router or access point?

I tried a security setting on my laptop following the manual, but then I lost connection after. Now I need to enable security setting. How do I do this with my Edimax broadband router?How do I enable security on the wireless router or access point?
there should be like a cd for install that might let you get to it or if not do the command prompt part of this and it should take you to it hope this helps you



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