i would like to view tv channels on my lenovo laptop ,please assist on this issue .
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What country are you in? Got iTunes/netflix/amazon? You can buy shows on there. Perhaps the official website of the shows you are interested in? Some countries offer stuff online too such as BBC's iPlayer.
Some local tv operators offer this for their subscribers, and some websites offer this for their regular and premium users. Most are IP/country restricted, so you may need an VPN or similar solution if you are not in your home area
there also small media players like rouko that you buy and plug into your pc/tv.