Select (even if you only need basic connectivity).
If you have an active Oracle support contract, you can still get the software officially: Oracle Client 10g 64 Bit Download
If you absolutely must use the native 10g client (e.g., for a proprietary compiled application with hardcoded library paths), do not install it on your host OS. Instead, use a . Select (even if you only need basic connectivity)
If the above link is dead, search on Oracle’s site: “Oracle Database 10g Release 2 (10.2.0.5) for Microsoft Windows x64” Oracle Client 10g 64 Bit Download