The following are links to the download page for Oracle Database 10g Release 2 (10.2.0.1) Express Edition (XE) for Microsoft Windows:
XE Windows English Language Download
Oracle Express Edition (XE) 10g Release 2 (10.2.0.1) (Western European) for Microsoft Windows – OracleXE.exe (165,332,312 bytes)
Single-byte LATIN1 database for Western European language storage, with the Database Homepage user interface in English only.
XE Windows Universal Language Download
Oracle Express Edition (XE) 10g Release 2 (10.2.0.1) (Universal) for Microsoft Windows – OracleXEUniv.exe (216,933,372 bytes)
Multi-byte Unicode database for all language deployment, with the Database Homepage user interface available in the following languages: Brazilian Portuguese, Chinese (Simplified and Traditional), English, French, German, Italian, Japanese, Korean and Spanish.
Note: Some Oracle Products, like Oracle BPA Suite, require the multi-byte unicode support.
XE Windows Client Download
Oracle Express Edition (XE) 10g Release 2 (10.2.0.1) Client for Microsoft Windows – OracleXEClient.exe (30,943,220 bytes)
For installation on machines needing acces to XE (other than computer XE is installed on itself)
As of the time of this writing (2009/06/02), these are the latest stable builds.