# System Requirements

Before installing SQLife, ensure your system meets the following requirements.

## Operating System

SQLife is a cross-platform application that runs on:
- **Windows** 10 or later (64-bit)
- **macOS** 10.14 (Mojave) or later
- **Linux** - Most modern distributions
  - Ubuntu 20.04 LTS or later
  - Fedora 35 or later
  - Debian 11 or later
  - Other modern distributions

## Hardware Requirements

- **CPU:** 64-bit processor, 2 cores or more recommended
- **RAM:** 
  - Minimum: 2 GB
  - Recommended: 4 GB or more for working with large datasets
- **Disk Space:**
  - Application: ~200 MB
  - Additional space for data cache and logs: ~500 MB
- **Display:** 1280x800 or higher resolution

## Database Access

SQLife connects to various database systems:

### Supported Database Versions

**Built-in (Core):**
- **Oracle:** 11g and later (recommended: 19c or later)
- **MySQL:** 5.7 and later (recommended: 8.0 or later)
- **PostgreSQL:** 10 and later (recommended: 14 or later)
- **SQLite:** 3.x

**Via Optional Plugins:**
- **Microsoft SQL Server:** 2016 and later (recommended: 2019 or later)
- **MariaDB:** 10.2 and later
- **H2 Database:** 1.4 and later
- **Apache Derby:** 10.14 and later
- **HSQLDB:** 2.5 and later
- **IBM DB2:** 11.1 and later
- **Snowflake:** 5.0 and later
- **Databricks:** 7.0 and later
- **DuckDB:** 0.3 and later
- **ClickHouse**, **Trino**, **Hive**, **OceanBase**, **DaMeng (DM)**, **Kingbase**, **Gauss**
- **MySQL 5.5 and earlier** - Supported via legacy driver
- **Redis**, **MongoDB**, **Elasticsearch** (key-value/document stores)
- **Kafka**, **RabbitMQ** (message queues)

### Network Access
To connect to remote databases, you'll need:
- Network connectivity to your database servers
- Access to database ports (typically Oracle: 1521, MySQL: 3306, PostgreSQL: 5432)
- Firewall rules configured to allow these connections

## Optional Features

### Proxy Support
If you're behind a corporate proxy:
- Proxy support is built-in (HTTP/HTTPS/SOCKS)
- Configure in: File → Preferences → Proxy Settings

### License
- Free trial available for evaluation
- License required for commercial use
- Contact sales for licensing information

## Performance Recommendations

### For Large Datasets
When working with millions of rows:
- **RAM:** 8 GB or more recommended
- **Storage:** SSD recommended for better performance
- **Network:** Fast connection to database server

### For Multiple Connections
When managing many database connections simultaneously:
- **RAM:** Additional memory recommended (roughly 500 MB per connection)
- **CPU:** Multi-core processor recommended

## What's Included

SQLife comes with everything you need:
- **Java Runtime** - Pre-packaged, no separate installation needed
- **Database Drivers** - Built-in support for Oracle, MySQL, PostgreSQL, and SQLite
- **All Dependencies** - No additional software required

Additional database types and integrations are available through **Plugin -> Plugins** — see the [Plugins Guide](14-plugins.md).

## Next Steps

Once you've verified your system meets these requirements:
- Continue to [Installation Guide](02-installation.md) to install SQLife
- Or return to [Introduction](00-introduction.md) for an overview

For troubleshooting, check the [FAQ](../faq.md).