You need the 10.2.0.3 base client built for Windows 7. You then patch it to 10.2.0.5. >>> Bala <oratips@xxxxxxxxx> 6/1/12 10:17 AM >>> **Gurus, any ideas to install 10.2.0.5 Oracle Client on Windows 7 ( 64 Bit) ? Is it going to be 10.2.0.1 patch plus upgrade it with 10.2.0.5 64 bit patch ? -- I dont have it available on Oracle Support Thanks in advance for your time. -- Bala Rao -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l