Log into your router, (how to)
Click the Wireless tab
Select the ⚙️ Settings (blue cog icon)
Update:
- Change Wi‑Fi name in SSID field
- Change password
- Click Save after each change the router restarts taking approx. 2–3 minutes)
- Once the router has completed its restart you can then reconnect your devices to your chosen SSID and password you created.