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To run ASM on Windows you need to create at least one RAW logical partition. This installation was done for 11.2.0.3 on Windows 7 but with release 11.2.0.4 it’s possible on Windows 8. In case you are not planning to install grid 2GB ram is enough. Oracle RAC is not supported on Windows 8. Starting with Oracle Database 11g Release 2 (11.2.0.4), Oracle Database server and client are supported on Windows 8.
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Windows Server 2008 圆4 and Windows Server 2008 R2 圆4 – Standard, Enterprise, Datacenter, Web, and Foundation editions.Windows Vista 圆4 – Business, Enterprise, and Ultimate editions.Windows Server 2003 R2 – all 圆4 editions.at least 4GB ram as minimum, 20G space for binaries and 40G for ASM devices.Hardware and software requirements for database and grid software:
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You can download them on Oracle support formerly MetaLink. You can download Oracle Database 11G Release 2(11.2.0.3) and Oracle Grid 11G Release 2(11.2.0.3).
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