Powerful PC Storage Cleaner: Delete Junk Files Completely
When the computer became full without reasons, you may need to totally clear it. In this article, we will recommend a powerful PC storage cleaner to free up PC space.
By Tina / Updated on July 9, 2025
The computer space is full without reasons
"Recently, the computer I bought two years ago became full without any reason, and the computer speed is getting much slower. I have not installed any large games and there's only a few applications on the PC. What's the reason to cause my PC space to run out? Is there any great PC storage cleaner? Looking forward to your answers."
Why does the PC get full without reasons? In fact, everything is traceable. When we use the computer, apart from the files and programs we download, some junk files will automatically generate and stay on it, such as cache files and thumbnails.
Due to the long-term neglect, these junk files haven't been cleaned up in time, finally occupy much space of the PC. So if you may need a PC storage cleaner to remove all junk files from your PC.
How to locate and delete junk files on the PC
As mentioned above, in order to prevent the computer from being unknowingly filled with junk files, we need to clean up the computer storage space.
│Method 1. Clean storage space with File Explorer
File Explorer is a practical storage cleaning tool for PC. It provides a tree-shaped file system structure, so we can intuitively understand all the resources on the PC. Here're steps to clean up PC with it:
Step 1. Press "Windows + E" to open File Explorer.
Step 2. Click "This PC" and then click "Details" to look for target files from the files listed on the interface.
Step 3. Right-click each junk files you want to delete and click "Delete" to clean them one by one.
│Method 2. Clean storage space via Microsoft Total PC Cleaner
In order to find and remove some junk files from your computer, including cached files, residual files, etc., Microsoft Total PC Cleaner is also a good option.
Step 1. Download and run Microsoft Total PC Cleaner, this tool will remind you to confirm the system disk on the main interface, click "Continue".
Step 2. Select the C drive and click "Select Folder".
Step 3. In the new window popped up, click "Start Scan" to search the PC for all junk files.
Step 4. All junk files it found will be displayed here, you can also see how much space these files occupy, click "Clean".
Step 5. When the cleaning operation is completed, click "Done".
Clean up junk files with a more reliable PC Cleaner
With the above methods, you can remove some junk files from the PC, but all of them have limitations and can not completely clear your PC. Therefore, you can try AOMEI Partition Assistant for Cleanup - the best free PC storage cleaner to free up your PC.
With the help of the "PC Cleaner" function, we can comprehensively scan the computer for all files smaller than 16MB, including system and registry junk files. After scanning, this best PC storage cleaner will select some junk files that should be deleted, and these files will completely disappear from the computer while "Clean All" clicked.
Besides being a PC storage cleaner, the more comprehensive tool AOMEI Partition Assistant is also a versatile disk managing expert, dedicated to solving different disk problems:
★ Merge Partitions: Merge one drive with another drive or unallocated space to extend it.
★ Wipe Hard Drive: Wipe the entire hard drive to keep your data safe.
★ Resize a partition: You can resize partitions according to your needs.
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PS.: Please download it and experience how to clean out computer storage for free.
AOMEI Partition Assistant for CleanupThe Best Windows Disk Partition Manager and PC Optimizer
Step 1. Install and launch AOMEI Partition Assistant for Cleanup. Click the "Clean Junk Files" tab.
Step 2. Click the "Scan Now" button to start the process of scanning junk files.
Step 3. After the scan process is finished. All system junk files (including recycle bin files, temporary files, log files, invalid shortcuts, and so on) and registry junk files (including DLL registry, system registry, and program registry) will be displayed.
Step 4. You can also click the button behind to view the junk files details.
Step 5. And, you can click the button behind to locate the file.
Step 6. By default, the program will select some junk files to clean up, for example, temporary files, log files, and so on. You can also manually check to select more or uncheck to deselect fewer listed junk files. Or, click "Select All" to select all junk files to clean up if you need to clean up all.
After selecting junk files that are not needed anymore, you can click the "Clean Now"button to start the cleanup.
Step 7. The process of the cleanup might take time, and the selected files will be cleaned up. After the process is finished, you will get a cleanup completed window displaying how many files you have cleaned and not yet cleaned.
│Deep scan and delete large files to free up space
If you want to further clean up the PC, please use "Delete Large Files" feature. It can scan for the large files with hidden paths, then completely delete unnecessary large files to free up PC storage space.
AOMEI Partition Assistant for CleanupThe Best Windows Disk Partition Manager and PC Optimizer
Download and open the professional tool of this PC storage cleaner, click on "Free up" and "Delete Large Files". Then you need to follow the wizard to delete all target large files.
Summary
In this article, we have explained why your computer fills up without reason. Besides, we shared three built-in tools and a PC storage cleaner to free up PC space.
