The integration of OneDrive into Windows 10 is unique compared to third-party cloud services like Dropbox or Google Drive. In most cases, the OneDrive application comes pre-installed with the operating system. Users can typically find the blue cloud icon in their system tray, located on the far right of the taskbar. However, if the application is missing—perhaps due to a custom Windows installation or an accidental uninstall—the download process is straightforward. Users simply need to navigate to the official Microsoft OneDrive website using any web browser. From there, clicking the "Download" button prompts the installation of a small executable file. Running this file initiates a quick setup process that integrates the cloud service directly into the Windows File Explorer.

Once you have the OneDriveSetup.exe file, follow these steps to get synced: Microsoft 365: How To Install OneDrive

If OneDrive is missing from your Windows 10 (e.g., LTSC or enterprise stripped version), download it manually.