@SophieD81
Does the PC have a poor connection when connected to the downstairs router because if it does and using a cable to connect them is out of the question then you might need a pod (booster).
A poor signal in certain rooms is something that comes up on here on a regular basis so try going through this to see if it helps:
https://www.sky.com/help/broadband/my-broadband-speed/improving-wi-fi-signal-to-my-devices/articles/...
If not and if you have Wi-Fi Max on your account then Sky will loan up to 3 pods as you can read about here:
https://www.sky.com/help/articles/sky-wifi-max
So you can either call them on 150 from a landline phone or a mobile that has a Sky sim in it or Select "No, I still need help" at the bottom on the above link.
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