How to set up a new wifi router

What you need before you start setting up a new wifi router

Gather the router, its power adapter, an Ethernet cable, and your internet account details before touching any settings, since missing one of these is the most common reason setup stalls halfway through.

Shopping for a specific model? See the best wifi router we tested — 10 models compared on the specs that decide it.

Unbox the router and check that the power adapter and at least one Ethernet cable came in the box; some routers include only one cable, which is fine since you'll only need it briefly. You'll also want a smartphone or laptop nearby, because most current routers walk you through setup with a companion app rather than a web page typed into a browser.

If your internet service is cable, DSL, or fiber, you likely already have a modem or a combined modem-router gateway from your provider. Setting up a standalone router alongside that equipment is the standard path; if your provider's box already handles both modem and router duties, you may need to switch it into bridge mode first so it stops competing with your new router, which your provider's support line can usually do in a couple of minutes over the phone.

Have your Wi-Fi network name and password ideas ready too. You don't have to keep whatever the box prints on a sticker, and honestly most people shouldn't, since a name you'll actually remember beats a factory default.

How to set up and connect a new wifi router to a modem

Power off both devices, run an Ethernet cable from the modem to the router's WAN or internet port, then power the modem on first and the router second, waiting for each to fully boot before moving to the next.

This is the step most guides gloss over, and it's where a surprising number of setups go sideways. Turn off the modem and the new router. Connect one end of an Ethernet cable to the modem's output port and the other end to the router's port labeled WAN or Internet, which is usually a different color from the other ports on the back panel.

Power the modem on first and give it a minute or two to fully reconnect to your provider's network; most modems show a solid, non-blinking light when they're ready. Only then power on the router. Turning both on at once, or plugging the router in before the modem has finished reconnecting, is a common reason a new router shows no internet access even though every cable is correct.

Once the router's power and internet lights settle into a steady state rather than blinking, you're ready to connect a device and start the software side of setup. If the router never shows a connected internet light after a few minutes, recheck that the cable is in the WAN port specifically, not one of the regular LAN ports, since that's the single most common wiring mistake.

Setting up the router with an app or browser

Most routers use a companion app for guided setup; older or simpler models rely on typing the router's default address into a browser instead, and either path leads to the same admin dashboard.

Download the manufacturer's app if one exists for your router and open it on your phone. The app typically detects the new router automatically over Wi-Fi or Bluetooth and walks you through naming your network, setting a password, and picking a security mode. This is by far the smoother path for most households, since it avoids typing an IP address and hunting through browser-based menus.

If your router doesn't have an app, or you'd rather use a computer, connect a laptop to the router with an Ethernet cable or its default Wi-Fi name (printed on a label on the device), open a browser, and enter the router's default address, commonly something like 192.168.0.1 or 192.168.1.1, which is also printed on the label. That loads the admin login screen.

Either way, you'll be asked to log in with a default username and password before you can change anything. Those defaults are meant to get you into the dashboard once, not to stay in place, which brings up the next step.

Changing the default password and naming your network

Replace the default admin login immediately, then set your own network name and a unique Wi-Fi password, since factory defaults are publicly documented and are the first thing an attacker tries.

The Cybersecurity and Infrastructure Security Agency flags default administrator credentials on home network devices as a routine and preventable risk, since those default logins are often printed on the device itself or easily found online. Change the router's admin password as one of your first actions inside the dashboard, before you do anything else. Make it long and unique rather than a short word with a number tacked on, and don't reuse a password from another account.

While you're in there, rename the Wi-Fi network itself (the SSID) to something you'll recognize, and set a separate, unique password for actually joining the network, distinct from the admin login you just changed. A password manager makes this painless if you're short on ideas that you'll actually remember.

If the router supports a guest network, this is a reasonable time to turn it on and give it its own name and password, separate from your main network. It keeps visitors and smart-home gadgets you don't fully trust off the same network as your laptop and phone, without adding real complexity to daily use.

Choosing WPA3 or WPA2 and finishing the wireless security settings

Select WPA3 if both your router and your devices support it; fall back to WPA2 only if something on your network is too old to connect otherwise, since running an unsecured or outdated protocol undoes the rest of your setup work.

The Wi-Fi Alliance, the industry group that certifies Wi-Fi hardware, has made WPA3 the current mandatory standard for newly certified equipment, and describes it as offering stronger password-based protection and mandatory management frame protection compared with its predecessor. In practical terms, that means better resistance to guessing attacks on your Wi-Fi password and a more modern baseline of protection for anyone who connects.

Most routers from the last several years default to WPA3, or a mixed WPA2/WPA3 mode that lets older devices join while still favoring the newer protocol for anything that supports it. If your setup screen offers a choice, pick WPA3 or the mixed mode rather than WPA2-only, unless you know you have an older device on the network that specifically can't handle it.

Avoid picking an open network with no password at all, and skip the older WEP protocol entirely if it's even offered, since it's been considered broken for a long time and provides essentially no real protection. Once security is set, most setup flows run an automatic connection test; let it finish rather than closing the app early, since that test is what confirms the router can actually reach the internet with the settings you just chose.

Where to place your router for the best signal

Put the router in a central, open, elevated spot rather than a closet or basement corner, since walls, floors, and dense materials absorb signal, and distance from the router is what most people actually feel as slow Wi-Fi.

As a rough rule of thumb, standard 2.4 GHz Wi-Fi can travel roughly 150 feet indoors under good conditions, while 5 GHz signals typically reach only about 50 feet indoors, because the higher frequency carries more data but degrades faster with distance and obstacles. That gap explains why a router tucked in a back room can leave the far side of the house barely connected even though the box promises whole-home coverage.

Thick materials like concrete, brick, and dense wood framing absorb or reflect wireless signals more than drywall does, so a router on the far side of a masonry wall or in a basement will underperform the same hardware placed centrally on a main floor. Try to keep it away from large appliances, mirrors, and aquariums too, all of which interfere with or block the signal more than people expect.

A central, open, somewhat elevated spot, like a shelf in a hallway or living room, beats a powerful router hidden in a closet almost every time. This is worth doing before you consider buying anything else, including a stronger router or an extender, because placement is free and it's the single change most likely to fix a dead zone you're currently blaming on the hardware.

Updating firmware and finishing touches

Check for a firmware update inside the setup app or dashboard once the network is live, since manufacturers ship security fixes and stability improvements after a router's initial release.

Firmware is the internal software that runs the router, and it's usually not fully current on the day you unbox the device. Most apps prompt you to check for and install an update near the end of setup, or shortly after; go ahead and let it run, since these updates often patch security issues that weren't known when the unit was manufactured or sat in a warehouse.

After the update finishes and the router restarts, reconnect your phone or laptop and confirm you can reach the internet normally. From there, add your other devices one at a time using the network name and password you set earlier, which is also a reasonable moment to note down those credentials somewhere other than your memory.

If you're moving from a single router toward a mesh setup, or wondering whether you even need one, that's a separate decision from the setup steps here; our wifi router buying guide walks through when a mesh system earns its higher cost versus when a single well-placed router is genuinely enough.