Oracle Client Download 64-bit ^new^
file $ORACLE_HOME/bin/sqlplus
Compare with Oracle’s published MD5 (visible after login).
For most modern Windows environments, the is the standard. However, navigating the Oracle download page can be surprisingly tricky for first-time users. This guide covers everything you need to know about downloading, selecting the right version, and installing the 64-bit Oracle Client. oracle client download 64-bit
Also test:
sqlplus -V
This usually means the client cannot find your tnsnames.ora file, or you have a mismatch between 32-bit and 64-bit architectures. Double-check that your application is actually using the 64-bit client you just installed by verifying your system PATH variable points to the client's bin folder.
Navigate to the official Oracle Database Software Downloads page. Usually, a search for "Oracle Database Downloads" will lead you there. This guide covers everything you need to know
The most important rule of Oracle connectivity is: