Oracle Database 10g Release 2 -10.2.0.1- Express Edition For Microsoft Windows Upd -

Will only utilize up to 1GB of RAM , regardless of how much is installed on the host machine.

To run 10.2.0.1 effectively on older or modern Windows environments, your system should meet these benchmarks: Will only utilize up to 1GB of RAM

Only one instance of Oracle Database XE can run on a single computer. System Requirements for Windows Windows XP Professional

Originally certified for Windows 2000 (SP4+), Windows XP Professional, and Windows Server 2003. Users have successfully installed it on Windows 10/11 using administrative rights. RAM: 256MB minimum, though 512MB is highly recommended . though 512MB is highly recommended .