OSMC Raspberry Pi 2 - WiFi Problems

So I’m brand new to using OSMC and Raspberry Pi. I’ve managed to get OSMC/Kodi set up successfully but I’m having a couple problems with the wifi connection

  1. It doesn’t connect to my home network automatically. Is there any way to set this up?
  2. When I do connect manually, it disconnects after a couple of minutes and I have to keep reconnecting manually. Is there any way to fix this?

Bear in mind I’m a complete beginner with stuff so any help would be greatly appreciated!

Thanks

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