What problems happens here?

When I installed brew following the instruction from the Homebrew official website, the error zsh: command not found: brew happens.

How to fix this problem?

I fixed this problem by editing the path, creating the missing .zshrc file, and exploring the path to this new file.

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cd /opt/homebrew/bin/
PATH=$PATH:/opt/homebrew/bin
cd
touch .zshrc
echo export PATH=$PATH:/opt/homebrew/bin >> .zshrc