Forum Discussion
How to find out what's taking up space on a C drive in windows 11?
My Windows 11 laptop is showing that the C drive is almost full, but I have no idea what is actually taking up all the space. I don’t store many large files like videos or games, so I’m confused about where the storage went.
I checked "This PC" and saw the used space bar, but that doesn't tell me which folders or files are using the most storage. Is there a built-in tool in Windows 11 that can easily find out what's taking up space on a C drive? Or do I need to use third-party software?
I'm not very experienced with advanced system settings, so simple steps would be really helpful.
7 Replies
- NoreenIron Contributor
Junk files and app caches. These two occupies most of the free space on the c drive. You can run a quick scan and free up tons of free space by following this trick:
- DukekaBrass Contributor
Let's talk about the Disable Hibernation - that's another popular method to free up space and find out what's taking up space on your C drive. Disabling hibernation can temporarily increase the available space on your C drive, and it's a good way to identify which files are occupying the most space.
To use the "Hibernation" trick to free up space on a C drive, follow these steps:
1. Press the Windows key + X to open the Quick Link menu, and select "Control Panel."
2. In the Control Panel, click on "System and Security."
3. Click on "Power Options."
4. Click on "Choose what the power buttons do" on the left side.
5. Click on the "Change settings that are currently unavailable" link.
6. Uncheck the box next to "Enable hibernation" and click "Save changes."
By disabling hibernation, you'll be able to use the free space to run a disk cleanup or a disk usage analysis tool to find out what's taking up space on a C drive. This can help you identify and delete large files or programs that are no longer needed, freeing up space on your hard drive.
Keep in mind that disabling hibernation will also disable the ability to hibernate your laptop, so if you want to be able to hibernate your laptop, you can re-enable hibernation after you've finished identifying the space-hogging files.
- Axton-XBrass Contributor
Windows 11 has a built-in tool that can help you identify which find out what's taking up space on a C drive. You can use the built-in tool called "Disk Cleanup" or the more detailed "Disk Usage" tool, also known as the "Disk Cleanup" feature within the "Settings" app. However, a more straightforward and user-friendly tool is the "Storage Sense" feature, and the "System Settings" > "Storage" page.
Here's how to use the built-in tools to find out what's taking up space on a C drive:
Method 1: Storage Sense
- Go to "Settings" (Windows key + I)
- Click on "System"
- Click on "Storage"
- Under "This PC," click on the "C:" drive
- Click on "View storage usage by file type" to see a breakdown of the types of files consuming the most space
Method 2: Disk Cleanup
- Press the Windows key + R to open the Run dialog box
- Type "cleanmgr" and press Enter
- Select the C drive and click "OK"
- Disk Cleanup will analyze the drive and show you a list of files to delete
- AhmadosCopper Contributor
How to find out what's taking up space on a C drive? Using "File Explorer" with the "Sort by Size" option is an effective way to identify the files and folders that are taking up space on your Windows PC. This method is particularly useful if you want to free up space and improve your computer's performance.
To use this method, open File Explorer and navigate to your C drive. Once on the C drive, click on the "View" tab in the top navigation menu. From the "View" tab, select "Sort by" and then choose "Size." This will organize your files from largest to smallest, making it easy to see which files and folders are consuming the most storage.
By using the "Sort by Size" option, you can quickly find out what's taking up space on a C drive, allowing you to make informed decisions about which files to delete or move to free up storage. This can help you optimize your PC's storage and performance, ensuring that your computer runs smoothly and efficiently.
- DaxxonSawyerIron Contributor
Using WinDirStat is a great way to analyze disk usage and identify space-hogging files on Windows quickly and efficiently. It essentially turns your drive’s storage data into a visual treemap and detailed file list, allowing you to pinpoint exactly which files and folders are consuming the most space and helping you find out what is taking so much space on my C: drive.
Tutorial: Download and launch the software, then select the C: drive to initiate a comprehensive scan. It will first calculate the size of each file and folder, subsequently displaying the results in two sections: a folder list sorted by size on the left, and a colour-coded tree diagram on the right—where larger colour blocks represent larger files. Clicking a block in the tree view or a list item takes you directly to the file's location. Right-clicking any unwanted item allows you to delete it or move it to another drive. This visual approach provides an intuitive overview of file distribution, enabling you to clearly find out what is taking so much space on my C: drive without repeatedly searching through folders.
It excels at uncovering hidden large files, old backups, or forgotten downloads—exactly the kind of items routinely overlooked by standard cleaning tools. Prior to storage upgrades, it also provides an effective audit of disk usage.
- LucienwIron Contributor
SpaceSniffer is a widely favoured disk space analysis tool. It precisely displays disk space distribution through clear visual tree diagrams, helping you efficiently find out what is taking so much space on my C: drive. With its streamlined interface and robust scanning capabilities, this utility assists users in swiftly uncovering hidden large files, unused folders, and space-consuming data that conventional cleaning tools struggle to detect.
Step 1: Download the portable version of the software and extract it to any folder.
Step 2: Right-click the programme and select Run as administrator to ensure full access permissions.
Step 3: Select the C: drive from the list of drives, then click Start to initiate scanning.
Step 4: The programme will display files and folders as coloured blocks, with larger blocks representing larger files.
Step 5: Double-click any block to view deeper folder structures and detailed information.
Step 6: Right-click unwanted items to perform actions such as deleting, moving, or opening their location.
The distinctive visual tree diagram provides an at-a-glance overview of disk usage, enabling both novice and experienced users to effortlessly manage storage space. Whether clearing the system drive or locating unknown large files, it helps you effectively find out what is taking so much space on my C: drive, safely freeing up storage to keep your computer running smoothly and stably.
- PhoenixAdlerIron Contributor
Many users struggle with low disk space on the C: drive, but Windows has a built-in tool to help you find out what is taking so much space on my C: drive. It clearly shows how storage is used across different categories.
How to find out what is taking so much space on my C: drive
- Press the Windows Key + I to open Settings.
- Go to System > Storage.
- You will see a bar showing your used space. Below that, click "Show more categories."
- What to look for:
- System and reserved space: This encompasses the Windows operating system itself, along with hibernation files and virtual memory, which collectively may exceed 10GB.
- Temporary files: These include files from Windows Update clean-ups or previous Windows installations, which can be safely deleted.
- Installed applications: Sort by size to identify any unused applications occupying over 5GB of space.
Using this native Windows feature, you can swiftly and accurately pinpoint the root cause of excessive space usage on your C drive, then safely clear redundant large files to free up disk space.