[Tested] Guide to Fix Low Disk Space in Windows 10

Have you ever been bothered with low disk space issue in Windows 10? Low disk space can greatly degrade the Windows system performance and also influence your smooth usage. For example, you will get the warning “You are running out of disk space on Local Disk (X:)” repeatedly until you release some disk space. So, how to fix low disk space issue in Windows 10? Let’s read on for details.

Way 1: Move Big Files/Programs to Another Disk

If the low-space disk is full because it stores many big files like films, you can release the disk space easily by moving the large files to another drive. For the big programs installed in the disk, you can conveniently migrate them to other partitions with the Windows Move function if they are gotten from Microsoft Store. When the Move function cannot be applied, you need to uninstall the large program firstly and then reinstall it in another disk.

Way 2: Delete Junk Files

It’s a useful way to free up disk space by deleting junk files, which especially works well on fixing low disk space on C drive(system drive). To remove junk files from C drive as conveniently as possible, here 2 powerful tools are introduced for you: Disk Cleanup and iSunshare System Genius. If the disk is a non-system drive, you can consider thoroughly erasing the junk files with the third-party tool or manually wipe them.

Delete Junk Files with Disk Cleanup

Step 1: Type Disk Cleanup in the search bar and click it.

Step 2: Select the system drive from the Drives list and click OK.

Step 3: In the Disk Cleanup window, select the files you want to erase and then hit OK to run the operation.

Delete Junk Files via iSunshare System Genius

Step 1: Install System Genius in your Windows 10 computer and then run it.

Step 2: Choose File Clean in the Home section.

Step 3: Hit Scan and the software will find out all junk files for you.

Step 4: You can remove all junk files by clicking Clean or just select the unneeded files to Clean.

Way 3: Extend the Low-Space Disk

Disk Extension can be said as the simplest way to fix low disk space issue in Windows 10, but it’s a pity that this way only can be used when the low-space disk is followed with the unallocated storage.

Step 1: Right-click This PC and choose Manage in the menu.

Step 2: Click Disk Management under Storage. Then check whether there is unallocated space next to the low-space disk. If there is, right-click the low-space disk and select Extend Volume.

Step 3: Follow the wizard step by step to extend the full disk.

Way 4: Clean Registry

This way is available for fixing low disk space on C drive in Windows 10.

Step 1: Get iSunshare System Genius on your Windows 10 computer.

iSunshare System Genius is not only a Windows junk remover but also a Windows Registry Cleaner. With the help of it, the invalid Registry entries can be found out accurately and deleted without efforts.

Step 2: Scan the Registry for invalid items.

Run the tool and select Registry in the left pane. Then click Scan to find out the invalid files.

Step 3: Wipe invalid Registry entries by hitting Clean.