Best PC Data Cleaner—Guard Your Privacy

Why you may need a PC data cleaner?

As the name implies, a PC data cleaner is for users to clear data files from system and disks. However, the word “clean” has 2 means:

1. Completely wipe or erase the data from a computer and prevent other people to recover the data.

2. Clean useless data in the computer to improve the PC performance and keep the computer in a nice status.

Let’s see 2 scenarios.

▶ Case 1.
“I'm about to sell my old computer but all my data is on the two disks on that PC. I need to wipe all data completely and make sure my data won’t be recovered by other guys. The problem is that one of these two disks is an SSD, I know very little about SSD, so any assistance would be greatly appreciated.

▶ Case 2.
“I have a Windows 10 PC for almost 5 years. Recently, it runs more slowly than before and the warning of low disk space pops up on regular basis. Yesterday it’s even frozen for several minutes. I think that means I need to clean the junk files but I’m afraid of deleting essential system files. How can I safely but thoroughly clean up junk files on my PC?

The above cases cover two most common situations that make users wish to do a data cleanup on their computers. But many users are just like the cases show, they don’t know how to securely and completely clean data.

Therefore, for the different requirements, we will show how to clean data safely in the next part.

Secure PC data cleaner-AOMEI Partition Assistant

If you don’t have sufficient computer knowledge, it would be dangerous to directly delete data files you thought were useless and erase data on a disk because you might remove crucial system files destroying your system or hurting the disk for the wrong data-wiping method.

Thus, we suggest you use a professional PC data cleaner to do all this cumbersome work. AOMEI Partition Assistant Standard is a free disk and partition manager for Windows 11/10/8/8.1/7/XP users to safely but easily manage their devices.

This multifunctional manager allows you to:

And you can also use this tool to resize/create/merge/delete/format/ partition, convert file systems between FAT32 and NTFS without formatting…

How to clean data on Windows PC?

In this part, we’ll show how to clean data in 2 sections, you can choose one way according to your situation.

Section 1. Completely clean data on the disk

First, let’s see wiping data from the disk.

Step 1. Open AOMEI Partition Assistant Standard and right-click the target hard drive, then select "Wipe Hard Drive".

Step 2. Select "Fill sectors with Zero" and click "OK".

◤ Note: There’re four methods to wipe the hard drive including Fill sectors with Zero, Fill sectors with random data, and Gutmann, and DoD 5220.22-M. Here, we use Fill sectors with Zero to wipe this hard drive for free, if you want to use the others please turn to the Professional Edition.

Step 3. Click "Apply" in the interface to wipe this hard drive.

◤ Tip: Since the structure of SSD is different from HDD, if you wish to erase an SSD, please check: Wipe an SSD with Windows 10

Section 2. Securely clean junk files from the disk and system

To avoid deleting the wrong files, after scanning the all system and your disks, the program will list removable files.

Step 1. Launch AOMEI Partition Assistant Standard, and then click "Free up" > "PC Cleaner".

Step 2. In the pop-up window, click "Start Scan" to scan for junk files.

Step 3. Wait until the scanning process completes.

Step 4. After the scan is completed, all kinds of available junk files will be listed. Then, tick the options you want to clean, then click "Clean All" to begin the cleaning process.

Step 5. When you see a correct symbol displayed in the interface, you can click "Back" to exit the Window.

Further reading: Extend drive space for your system

After junk data clean up, your disk/drive will have more available space for new data. However, if your disk still faces the dilemma of a free space crisis, you can merge two drives into one or upgrade to the Professional Edition and use “Allocated Free Space” to share free space from one drive to another.

To sum up

Try safe PC data cleaner AOMEI Partition Assistant, you can not only know how to clean data but also have a computer manager to easily keep your computer healthy. Besides the features we’ve mentioned, you can also use this tool to clone disks, move large folders and installed apps to another location, convert a disk to MBR/GPT without deleting data…

And you can choose AOMEI Partition Assistant Server to conveniently manage your Windows Server 2025/2022/2019/2016/2012(R2)/2008(R2)/2003 if you’re using a Windows Server system.