# DentalCare v0.9.3.0 Installation Guide

## Upgrade prerequisites

- DentalCare v0.9.2.0 must be installed and completed.
- Confirm the hosting account can create files and connect to MySQL.
- Create a verified complete backup outside `public_html`.
- Preserve the live `config/generated.php` and `storage/private` directory.

## Install the update

1. Extract the v0.9.3.0 update into the DentalCare application root.
2. Allow matching application files to be overwritten.
3. Do not replace live configuration, private files, backups, sessions, or logs.
4. Sign in through the primary Superuser workspace.
5. Open **System & Recovery → System Control Center → Updates & Database**.
6. Apply `0.9.3.0_operational_health_recovery_sidebar`.
7. Open **System & Recovery → Operational Health** and record a snapshot.
8. Review warnings separately from blocked core checks.

## Expected result

- Installed version: `0.9.3.0`
- Package release: `0.9.3.0`
- Current migration ledger: Completed
- Pending database update: None

Optional client documents do not control update status.
