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Mrchtopherrr's avatar
Mrchtopherrr
Iron Contributor
Aug 13, 2025

How to free up space in c drive in windows 10 or windows 11?

Hi all, I have two budget PCs at my home and both of them only has 128 SSD. Now, the c drive is almost full and the devices are running very slow. I already deleted the large files from the computer...
Indiaer's avatar
Indiaer
Silver Contributor
Dec 30, 2025

Moving files to external storage or cloud services is an effective way to free up space on C drive without deleting important data. Here's how you can free up space in C drive in Windows 10 computer:

Moving Files to External Storage for Free up Space in C drive:

1. Connect External Storage
Plug in an external hard drive, SSD, USB flash drive, or SD card to your computer.

2. Locate Large Files or Folders
Identify files that take up a lot of space, such as videos, photos, music, or documents. Common locations include:  
Downloads folder
Desktop
Documents folder
Videos folder

3. Copy or Move Files  
To copy: Right-click the file/folder > Copy, then paste it into your external drive.
To move: Right-click > Cut, then paste into external storage.

4. Verify Files
Ensure files have been successfully copied/moved before deleting the originals from your C drive.

5. Delete Original Files
After confirming, delete the original files from your C drive to free up space.

Moving Files to Cloud Services (Free Tier Options)

Popular free cloud storage options:  

OneDrive (Windows 10/11 integrated, 5 GB free)

Google Drive (15 GB free)

Dropbox (2 GB free)

Mega (50 GB free, with limitations)

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