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How to Solve C Drive Is Full and Out of Space in Windows 10/8/7

Updated on Nov 02, 2017 by Jean to Partition Master

My C drive is full, how to fix? Here are full C drive full Windows 10/8/7 solutions. Try it to fix the issue when your computer prompts low disk space warning because C drive is full and out of disk space.

Overview of C drive full issue

If C drive is full, what happens?

If your computer reports that the C drive is out of space, or your primary hard drive is full or out of space, you're likely encountering one or more of the situations listed below:

1. Hard disk drive is not big enough to accommodate all your needs, such as software update/upgrade, install programs.

2. Windows operating system is running slowly.

3. Low storing space for storing more data/files.

Symptom for "C drive is full and out of space" in Windows 10/7/XP

Windows pops up the low disk space warning to alert computer users when their C drive is out of space. Different Windows OS will show different symptoms when C drive is running out of space. Here, the following we'll show you two symptoms on Windows XP, Windows 7 and Windows 10:

1. Windows XP displays the Low Disk Space warning as "You are running out of disk space on Local Disk (C:). To free space on this drive by deleting old or unnecessary files, click here."

Windows XP c drive is out of space

2. If C drive is full in Windows 10 or Windows 7, it will be shown in red as below:

Windows 7 c drive is out of space

Three recommended methods to solve "c drive is full" issue in Windows 10/8/7/XP

If you are rightly facing C drive full or low disk space case, and you're trying to solve this problem, here the following we'll introduce you three methods.

Method 1. Free up hard disk space by deleting temporary files and other unimportant data

In Windows 10:

1. Use the Windows key + I keyboard shortcut to open the Settings app.
2. Click on System > Storage.
3. Under Storage select the drive you want to analyze. (Note that the This PC drive is the main computer's hard drive where Windows 10 is installed.)
4. On Storage usage, you can see that Windows 10 categorizes the content based on default folders (e.g., Documents, Pictures, Music, etc.), apps and games, and system files, and you can view the storage usage. Simply click on of the item's name to get more information.
5. If you want to delete its content, click the view button to open the folder location, and delete the files you don't need.
6. Go back to Storage usage and click on Temporary files. In this section, Windows 10 will list different kind of temporary files you may want to delete, including Temporary files, Downloads folder, Recycle bin, and more. Click on the button of the content you want to remove and follow the instructions to delete the files.
7. Go back to Storage usage and now click Other. Windows 10 uses this section to list all the folder that couldn't be categorized. Identify which folders are using the most storage space and click on them to access the location.
8. Select its content, right-click, and select Delete to remove the files and folders.

In Windows 7:

1. Right-click one of your hard drives in the Computer window and select Properties.
2. Click the Disk Cleanup button in the disk properties window.
3. Select the types of files you want to delete and click OK. This includes temporary files, log files, files in your recycle bin, and other unimportant files.

Method 2. Add a larger hard disk

If you find your C drive is out of space frequently or the above recommendation did not help you resolve your issue, it may be necessary to upgrade or add another hard disk to your computer.

a. Add another hard disk

If you have a decent sized hard drive (larger than 100GB for more recent computers) but are running out of space, adding a new hard disk will give you additional storage without having to erase the existing hard drive. This could be either an internal or external hard disk.

b. Replace current hard drive

If your hard disk is less than 100GB, you may want to consider replacing the current hard disk with a new hard disk. Unfortunately, if you do decide to do this, you will need to reinstall the operating system and all the programs again.

c. Upgrade current hard drive to a larger hard drive

If your hard disk is less than 100GB, you may want to consider upgrading the current hard disk to a larger hard disk, "Disk Copy" feature of EaseUS Partition Master has the ability to do it without reinstalling operating system and applications. Detailed steps: How to upgrade to a larger disk by copying disk?

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 Windows 10 is supported

Method 3. Extend c drive using third-party partition software

Trying a partition manager software is an easy and efficient way to solve "c drive is out of space" issue. You can extend C drive as you wish and don't need to worry about data loss. EaseUS Partition Master can help you simply solve this problem.

EaseUS Partition Master, as magic partition software, is a comprehensive hard disk partition management software to let you enjoy with all the powerful functions: Resize and Move partitions, Copy Partition, Copy Disk, Create, merge partitions and much more on MBR disk and GPT disk such as to convert mbr to gpt etc.

Follow this tutorial to Extend C Drive with EaseUS Partition Master

Tips: It is important to backup your data before resizing partitions because nothing is 100% secure.