Oracle 11g release 2 is not compatible with windows 10. In the patch search section, click the patch name, number, or sun cr id link. For a new installation, download oracle forms and reports 11g release 2 (11.1.2.1) from otn or the oracle software cloud. Sql developer supports either oracle jdk 8 or 11. Installing oracle 11g on windows If you know the oracle patch number for the patch you want to download: Free download oracle database express edition 11g release 2 for 64 bit microsoft windows systems. An example of this type of linux installation can be seen here. Windows 10 users should download the oracle 12.1 client instead. Download Oracle 11G - Oracle 11G Download / Download Oracle 11g Free for Windows.