Eski bir web tarayıcısı kullanıyorsunuz. Bu veya diğer siteleri görüntülemekte sorunlar yaşayabilirsiniz.. Tarayıcınızı güncellemeli veya alternatif bir tarayıcı kullanmalısınız.
Turn of ad block, disable windows defender and then try injecting the hack
If the hack is not displayed try clicking the insert key
It may be hidden so insert key will show it.
Going through the official documentation and then searching for examples through other platforms would be the best.
Also working on a big project at the same time by applying the things you learn will help you in memorising it perfectly.
Your network should be same, then use share screen option from the laptop and add new device which is your TV, and also enable screen sharing in TV.
But I mostly recommend using HDMI cause its faster than screen sharing.