What Ledger Live is?
Official download sources (desktop + mobile)
Install on desktop (Windows/Mac/Linux) – step-by-step
Install on mobile (iOS/Android) – step-by-step
Connect Ledger Nano X / S Plus
Add accounts (BTC/ETH etc.)
Send/receive basics (verify on device)
Safety tips (seed phrase, URLs)
FAQ: 3–5 questions (free? staking? device not detected?)