Lotus Notes Client 8.5 3 64 Bit Download May 2026

If your organization requires a true 64-bit client to meet modern compliance or OS standards, you must upgrade to:

Note: Using version 8.5.3 on modern Windows 10/11 often requires tweaking OS security policies (like DEP and UAC) and may have Java compatibility issues. lotus notes client 8.5 3 64 bit download

If you’re reading this article because you’re tired of maintaining legacy systems, consider these options: If your organization requires a true 64-bit client

No matter your choice, do not let your Notes 8.5.3 deployment rot. The lack of security updates will eventually lead to a breach. Note: Using version 8

The base 8.5.3 client has known bugs:

Install FP6 before connecting to production servers to avoid crashes with certain views.