Microsoft - Onenote Offline Installer

Open Command Prompt as an administrator.

When the installer reports insufficient disk space, even if you believe enough space exists, free up additional space on the system drive. Uninstall unused applications, run Disk Cleanup to remove temporary files, and consider moving personal data to an external drive or secondary partition. Office apps (including OneNote) can only be installed on the system drive where Windows is installed. microsoft onenote offline installer

Microsoft provides official offline installation packages primarily through two channels, depending on whether you are an individual consumer or an enterprise administrator. Open Command Prompt as an administrator

No official portable version exists. Microsoft does not sanction or support running OneNote from removable media. While some third parties claim to offer portable versions, these are not verified and may violate Microsoft's terms of service or introduce security risks. Office apps (including OneNote) can only be installed

Installing OneNote on 10+ computers? Downloading the full package once and sharing it via a USB drive is much faster than downloading it 10 separate times.