Microsoft cloud storage and your computer’s physical storage are separate; first check the free space on the Windows drive where the download will be saved.
Check the computer’s actual free space
- Press Windows key + E to open File Explorer.
- Select This PC.
- Under Devices and drives, check the available space on Local Disk (C:) and any other drive receiving the download. This is the space that websites, applications, and Windows use—not the storage amount shown on your Microsoft or OneDrive account.^1^
If the download is larger than the available space on that drive, free space or add physical storage.
Free space safely in Windows 10
- Open Start > Settings > System > Storage.
- Turn on Storage Sense.
- Select Cleanup recommendations, review the listed files carefully, and select Clean up.^2^
You can also run Disk Cleanup:
- Search for Disk Cleanup from the taskbar.
- Select the drive and choose OK.
- Select temporary files you no longer need.
- Select Clean up system files for additional options, then OK > Delete files.^1^
Review selections before deleting them. Deleting Previous Windows installation(s) removes the ability to return to the previous Windows version.
If OneDrive is occupying the drive
Files with green check marks are stored locally and consume computer storage. To retain them in OneDrive but remove their local copies:
- Open your OneDrive folder in File Explorer.
- Right-click a large file or folder.
- Select Free up space.
A blue cloud icon means the item is online-only and no longer occupies normal local disk space; Internet access is required to open it. Do not choose Delete, because deleting a OneDrive file also deletes it from OneDrive and other synchronized devices.^3^
Add actual storage
To increase physical capacity, connect a USB drive, SD card, or compatible internal/external drive. Move personal files to it through File Explorer, then set future files to use that drive:
- Open Start > Settings > System > Storage.
- Under More storage settings, select Change where new content is saved.
- Choose the additional drive for each available content type.^1^
Buying additional OneDrive storage increases cloud capacity only; it does not enlarge the computer’s C: drive.
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