I’ve been trying to download and install git and github in my window 10, but I keep getting this prompt, “This site can’t be reached as it took too long to respond”. How do I go about resolving this issue?

I’ve been trying to download and install git and github in my window 10, but I keep getting this prompt, “This site can’t be reached as it took too long to respond”. How do I go about resolving this issue?