Free PC Cleaner and Booster for Windows OS

Why do you need a PC cleaner and booster?

After using a computer for a long time, some users find that the computer is becoming slow. If your machine doesn’t have any other hardware problems, then this is mostly caused by junk files accumulation.

In Windows, the system and the programs you run daily generate numerous data files for keeping OS and apps running smoothly at the moment you boot them and the process you use them. However, once you finish your work, most of those data files will be outdated, and the system won’t remove them automatically, they will be just stored on your disks, especially on the C drive, since it’s the system partition. Thus, your system will become slower and the performance will decrease.

These junk files store with crucial system files and other irremovable data files, and many of them are hidden deeply, so users can’t find out all those unnecessary files and safely delete them. But, if you have a PC cleaner and booster, this work will be simpler and safer.

Best free PC cleaner and booster—AOMEI Partition Assistant Standard

If you haven’t found a gratifying PC cleaner and booster, here, we sincerely recommend you AOMEI Partition Assistant Standard, a reliable disk and partition manager for Windows 11, 10, 8/8.1, 7, and XP users.

▶ Its “PC Cleaner” function can scan your system and disks to filter junk files like:
• Temporary files
• Registry files
• Cache files (RAM cache, system cache…)
• Thumbnails
• Program obsolete files
…

After you can your device, the tool will list all junk files, you can view all. Some of them are selected by default to delete, you can also click and see details of the files and choose to leave some you think can be kept. Then, you can clean junk files with a click. The operation is quite easy, isn’t it?

What’s more, you can also use this handy tool to clone/create/delete/wipe/merge/format partitions, convert file systems between FAT32 and NTFS without formatting, test disk speed, etc.

Now, let’s see the detailed steps to use this free PC cleaner and booster to clean your computer.

Step 1. Install and run AOMEI Partition Assistant Standard, in the main interface, select "Free up" and go to "PC Cleaner".

Step 2. Click "Start Scan" to scan your PC.

Step 3. Wait patiently for scanning.

Step 4. After scanning, this cleaner will classify and select some junk files, you can directly click "Clear All" or add other unwanted files.

Step 5. After the cleaning task is finished, click "Back".

Then your PC will get rid of all junk files.

Cleaning the computer should be a regular job; otherwise, the computer's performance will suffer. Due to the low frequency of usage, a home computer should be cleaned once a year on average. On the contrary, due to their high frequency of usage, business or gaming PCs should be thoroughly cleaned every 1 to 3 months.

Advanced clean to release more free space on your disk

If you wish to release more available space on the C drive or your system disk, then after you use “PC Cleaner”, you can upgrade to the Professional Edition to employ “Delete Large Files” and “App Mover” features.

▶ Delete Large Files

This feature can scan your disk and find outdated large files like forgotten videos, useless sound files, exe. files, etc. You can delete them according to your needs.

The software will check the specified drives, and partitions to detect all huge files under the specified locations, allowing you to quickly locate hidden files without having to browse through them one by one. Users may examine files, locations, sizes, and dates after the scan. You can pick certain files by selecting the types of files under the file column. Then, pick the target files and delete them all.

▶ App Mover

“App Mover” feature is for users who want to move installed programs from one drive/disk to another drive/disk to release space on the original disk. No need to reinstall and all data will be moved together to make sure they moved programs won’t be damaged.

For example, you can move some games or apps to an external disk to release free space on the internal disk or you transfer some apps that are installed on the C drive to the D drive or another disk to reclaim available space on the system partition.

To sum up

This best PC cleaner for free can keep your disk and system in a nice status. And the multiple advanced functions make this PC optimizer more practical. You can use it to clone a disk without reinstalling anything to quickly upgrade your old disk to a new disk, migrate OS to another disk without reinstalling, and convert data and system disk between MBR and GPT without deleting data…

And you can choose the Server Edition for efficiently managing your Server 2025/2022/2019/2016/2012(R2)/2008(R2)/2003.