Let me rephrase for you:
"Hey Hannah, you overlooked something important in the original command from Sublime. They're asking you to install in ~/bin, which is where executables that only need to be available to the current user are stored. The reason it didn't work isn't because the command is wrong, it's because you didn't have ~/bin in your $PATH, which makes sense because like you said you're on a new computer. If you set that, it should work. It's reasonable to be confused about this stuff, in fact there's tons of people on forums asking the exact same questions, and now you know!"
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Let me rephrase for you:
"Hey Hannah, you overlooked something important in the original command from Sublime. They're asking you to install in
~/bin, which is where executables that only need to be available to the current user are stored. The reason it didn't work isn't because the command is wrong, it's because you didn't have~/binin your $PATH, which makes sense because like you said you're on a new computer. If you set that, it should work. It's reasonable to be confused about this stuff, in fact there's tons of people on forums asking the exact same questions, and now you know!"