Claude Code improves often, and a healthy install saves you from chasing phantom problems. Two commands keep you in good shape: one to update, one to check.
Updating
To get the latest version, run:
claude update
This pulls in fixes and new features. It is worth doing regularly, especially before you dig into a tricky task or start relying on a newer flag or command. Running an old version is a common reason something in a guide does not behave as described.
Checking your setup with /doctor
Inside a session, /doctor inspects your installation and reports on its health. Run it when something feels off, or just now and then as a checkup.
/doctor
It is the natural first stop when you hit odd behavior, before you assume the problem is in your code or your prompt.
Other status commands
A few more commands help you see the state of things:
/statusshows the current session's status./configreads and sets configuration values./helplists what is available if you forget a command.
A simple habit
Make a small routine of it. Run claude update from time to time so you are current, and reach for /doctor the moment something looks wrong. Between the two, you rule out setup and version issues quickly, which means the time you spend debugging goes toward real problems instead of a stale install.
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