We - as a species - are engineered and built to run. I think there is a lot to be said for it.
If anyone is reading this and considering giving it a go, please do. You don't need any specific fancy equipment (just some generic trainers/sneakers will do - running does not damage your knees, quite the opposite in fact). I love travelling for work and packing my running gear and exploring the city I am visiting while running - beats sitting in a hotel room watching netflix on my own.
My biggest advice is that when you first start running outside you will feel like you are going slow even if you are not. If you have a smartphone get an app that will help you track your running pace (Strava is popular but I use runkeeper as I don't like the gamification & social parts of strava) and don't try to go faster than 6 mins/km for the first few runs. When I first started running outside (after doing a lot of gym-based treadmill running and before smartphones were really a thing) I had no frame of reference for how I was moving through the space apart from driving so it felt so terribly terribly slow when in reality I was pushing very hard. There are no prizes here and you are not racing anyone - run at a pace that feels sustainable and let your mind go.
Good luck.