Wanting to move next spring to Scotland (anywhere)

Hello everyone, I'm from Canada and I've been to Scotland 3 times in the last 2.5 yrs and now thinking I would like to live there. It'll be just myself and my very large dog as he comes everywhere with me. I would like to know the steps I need to take so I don't have to return after 7 mths(standard in Canada) And then go back again. I want to take my time to travel all of Scotland before finding a place that would suit the both of us. Any information would be greatly appreciated.
Thank you

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