Get the "Basic" or "Basic Light" 64-bit package from the Oracle Website.
If your organization maintains an active Oracle Support contract, you can log into the Oracle Software Delivery Cloud (Edelivery) and request access to archived media. Oracle 9i Client Download For Windows 10 64-bit
A well-known issue with older Oracle installers and drivers is their inability to parse file paths containing parentheses. Because 64-bit Windows installs 32-bit applications into C:\Program Files (x86)\ , Oracle 9i clients frequently crash or fail to connect when invoked by software residing in that directory. Where to Download Oracle 9i Client Get the "Basic" or "Basic Light" 64-bit package
The Definitive Guide to Oracle 9i Client on Windows 10 64-bit Oracle 9i Client Download For Windows 10 64-bit