Typically, LotusNotes853_Win64_Client_ML.exe or Notes_8.5.3_Win64_English_Full.exe . The SHA-256 hash can be verified against original IBM documentation if available.
⚠️ Avoid third-party “free download” sites like Softonic, CNET Download.com, or unofficial torrents. Many of these packages contain malware, adware, or modified DLL files that can compromise your Domino environment. lotus notes client 8.5 3 64 bit download
