1Start the wizard
In Kleopatra choose New Key Pair, or run gpg --full-generate-key. A pseudonym is fine; you do not need your real name.
2Pick sensible settings
Modern defaults such as ed25519/cv25519 are a good choice. Set an expiry date, for example two years, so the key does not live forever by accident.
3Choose a strong passphrase
Use several random words. Store the passphrase in your password manager, not on a sticky note.
4Make a backup and a revocation certificate
Export a backup of the private key to encrypted offline storage and keep the revocation certificate the tool generates.
Lesson summary
Use modern defaults, set an expiry date, choose a strong passphrase and back the key up offline.
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