Lotus Notes Lotus Notes Download & Instructions Instructions: Step 1: Please view or download the following documentation before running the software installation: Upgrade Instructions (for users who already have Lotus Notes) (HTML Format) Upgrade Instructions (for users who already have Lotus Notes) (Adobe Acrobat .pdf Format) Installation Instructions (for users who are installing Lotus Notes for the first time) (HTML Format) Installation Instructions (for users who are installing Lotus Notes for the first time) (Adobe Acrobat .pdf Format) Step 2: Download the software client by clicking the appropriate link(s) below: Windows Version 6.5.5 Notes655Install.exe Note: This file is approximately 100MB. Macintosh Version 6.5.5 Stuffit Expander is required to extract the files from the archive. It can be downloaded here. MacNotes655.sit Note: This file is approximately 40MB. Macintosh Version 6.5.5 Daylight Saving Time Hotfix Stuffit Expander is required to extract the files from the archive. It can be downloaded here. DSThotfix_655.sit Note: This file is approximately 11MB. Instructions for installing the 6.5.5 Daylight Saving Time hotfix for the Lotus Notes Mac 6.5.5 Client