Lotus Notes Client 8.5 3 64 Bit Download ((link)) Jun 2026

Since IBM sold its collaboration software suite, all official downloads are now managed by .

Because IBM sold the Notes/Domino product line to HCL Software in 2019, legacy IBM-branded downloads are no longer directly available on the IBM website HCL Software Portal lotus notes client 8.5 3 64 bit download

There is no native 64-bit version of the Lotus Notes 8.5.3 client for Windows. While the Domino server and Traveler components have 64-bit versions, the Notes client itself was originally developed as a 32-bit application and remains so for the 8.5.3 release cycle. Compatibility and Installation Since IBM sold its collaboration software suite, all