Unbox your Linksys RE6500 extender device first. Now, before commencement, make sure you have everything you need including Power cable, Ethernet cable (optional for wired setup), A computer, tablet, or smartphone with Wi-Fi capabilities and access to your existing Wi-Fi network name (SSID) and password.
Start with placing the extender in an area where the Wi-Fi signal is weak. Remember extender should be within the range of your router. Turn on the power of your device by plugging it in the power outlet and wait for the indicator light to turn solid.