And at last,low disk space errormay come up (especially partition C).

This problem will affect computer performance.

Then, what cause this problem?

low disk space notification

Orwhat is taking up space on my hard drive?

Many users may ask problems like these.

Here is a tutorial for how to see whats taking up space on hard drive in Windows 10.

navigate to storage in system

Step 1: PressStartbutton, and then navigate toSettings>System>Storage.

Step 2: Click a disk and then its storage usage will be displayed.

ClickWhat Is Taking up Space on Win10for more methods.

click a disk for its storage usage

As for how to free up disk space, the following two categories of methods are suggested.

How to Free up Disk Space on Windows

1.

Free up Space with Disk Cleanup

Many computer users like to run Disk Cleanup to free up disk space.

Disk Cleanup

This is a common way for most of computer users.

Right hit the disk you want to clean up, and then navigate toProperties>Disk Cleanup.

Then check the files you want to delete and clickOKto carry out.

right click This PC and then click Properties

However, some users may find that it cant solve the problem fundamentally.

Disk cleanup cant relieve the problem at all.

Or it relieves slightly but the low disk space problem persists and it relapses after a while.

click System protection from the pop-up window

As for the important files, users can transfer them to another hard drive.

Or, users can store files like music, movies, photos, etc.

on external storage or in the cloud.

click Configure button on System Properties window

Here is a tutorial fordeleting restore pointsand reducing space used for system restore.

Step 1: OpenAdministratorand right clickThis PC,and then clickPropertiesfrom the drop-down menu.

Step 2: ClickSystem protectionfrom the pop-up window to makeSystem Propertieswindow pop up.

drag the block to adjust the max space usage for system restore points

Step 3: Drag the block to adjust the max space usage for system restore points.

Surely, there will be less restore points for system restore if you do so.

But if you do so, there is no restore points for system restore.

uninstall apps

So, users also can uninstall apps or games that they no longer need to solve this problem.

PressStartbutton and navigate toSettings>Apps>Apps & featuresto uninstall programs.

Run Antivirus Program

Sometimes, a virus or other malware may consume a lot of hard drive space.

click Space Analyzer on the toolbar

And it provides you three solutions to clean up hard drive.

The first solution is Space Analyzer, which is similar to the above methods.

But it is easier for users to operate.

select the partition that you want to clean up to scan

The second and third solutions are extending partition and upgrading to a larger hard drive, respectively.

Only the last two methods can radically solve the problem.

Space Analyzer Feature

This feature is free for computer users.

choose a file in tree view, in file view, or in folder view

And then clickSpace Analyzeron the toolbar.

Step 2: pick the partition that you want to clean up to scan.

Step 3: Choose a file inTree View,File View, orFolder Viewto delete.

click bootable media on the toolbar

So, you should probably think of the following two solutions.

The reason why the extend feature ofDisk Managementis not recommended is that it has many limitations.

ClickWhy Extend Volume Grayed outfor more information.

choose media destination

And then clickBootable Mediaon the toolbar.

And finally choose the media destination.

Step 3: Set the Firmware to make the computer boot from the disk containing the burned boot.iso file.

enter firmware to adjust boot sequence

Enter firmware (The specific entry methods vary from computer model to computer model).

Step 4: Boot the computer to get the following interface.

And then wait a few seconds without any operation to get the main interface of Partition Wizard.

MiniTool PE Loader

Step 6: A window for adding space pops up.

Drag the light blue block to adjust the space size to be added.

Step 6: ClickApplybutton on the toolbar to execute the pending operations.

right-click the partition to be extended, and finally click Extend button

This solution is recommended because it increases the real disk space.

And then you could migrate OS to the larger drive to make it the new boot disk.

And if possible, you could still store data on the original hard drive.

a pop-up window for adjusting the space size you want to take

Clickherefor the specific steps of migrating OS from the old hard disk to the new hard disk.

What is taking up space on my hard drive?

C drive keeps filling up because the following reasons: