Oracle 18c Express Edition (XE) for Windows is available for download as of now. Oracle XE 18c on other platforms is available since November 2018. As of now you can download the Windows version as well.
Use the Quick Start guide which explains the installation and how to connect to the database.
General availability of Oracle Database 18c Express Edition on Windows!
Whether you are a developer, a DBA, a data scientist, an educator, or just curious about databases, Oracle Database 18c Express Edition (XE) is the ideal way to get started. You will get the same powerful Oracle Database that enterprises rely on. It is packaged for simple download, ease-of-use, and a full-featured experience. You get an Oracle Database to use in any environment, plus the ability to embed and redistribute – all completely free!
Limitations and Restrictions
As you know, Oracle XE has some limitations compared to Standard and Enterprise Edition database releases.
- Supports two CPU cores only
- User data limited to 12GB
- Maximum of 2GB of RAM supported
- Maximum of 3 PDBs supported
- Does not work with Oracle GoldenGate
- No RAC and no Data Guard features available
Find more details here: