If you want to get enough disk space and release system resource, you need to clean computer. In fact, regular PC cleanup can make your computer run faster and respond more quickly. So, how to clean computer? MiniTool will tell you the answer.

Method 1: Use Disk Cleanup/MiniTool Partition Wizard

You can utilize 2 tools to clean up computer. The first one is Windows built-in utility Disk Cleanup, while the other one is MiniTool Partition Wizard. Now, let’s see how to use them to clean up PC.

Steps for Cleaning up Computer via Disk Cleanup

Step 1: Type disk cleanup in the search box, and then select Disk Cleanup from the search results.

find and open disk cleanup utility

Step 2: In the next window, click the button behind the Select the drive you want to clean up option to choose a drive to clean up, and then click on OK .

select the drive that you want to clean up

Step 3: After checking the files to delete checkboxes, click OK button to execute the operation. If you want to delete more system files (include temporary files), click on Clean up system files at the bottom left of the window and click OK .

choose the files to delete and click Ok

Step 4: In the pop-up window, go to the More Options tab, and then click on the Clean up button behind the Programs and Features . After you click it, the Programs and Features page will appear and all the applications will be listed here, and then right click the application that you don’t use and select Uninstall .

clean up programs and features

Steps for Cleaning up Computer via MiniTool Partition Wizard

To clean up computer, you can also use the third-party program – MiniTool Partition Wizard. It is a professional partition manager, which can help you fix file system error , recover missing data, check SSD health , etc.

You will get this great tool by clicking the following button. After downloading and installing it to your PC, you can follow the steps below to clean up computer.

Free Download

Step 1: In the main interface of MiniTool Partition Wizard, select the disk to clean and click on Wipe Disk option in the left action panel.

Tip: Before wiping disk, you’d better back up your important data .

select the drive to clean and choose wipe disk

Step 2: In the next window, choose a wiping method from the 5 given options, and then click on OK .

Tip: The more time the operation takes you, the higher security level you enjoy.

choose a wiping method and click ok

Step 3: Then, you will back to the main page. Here, you can preview the state of the disk to clean up - unallocated . All the partitions have gone, but it will not truly take effect until you click on Apply to carry out the wiping operation.

click on apply to execute the operation

Here are 10 Best Free PC Cleaners to Clean up and Speed up Your Computer .

Method 2: Empty Recycle Bin

How to clean up your computer? Emptying Recycle Bin is a simple and basic method. Here are specific steps for that.

Step 1: Double click the Recycle Bin icon on the desktop to open it.

Step 2: Go to the Manage tab, and then find and restore the program that you want to recover.

Step 3: After that, click on Empty Recycle Bin option under the Manage tab.

Method 3: Delete Space-Consuming Files on Hard Drive

Deleting space-consuming file on the hard drive is also a great way to clean up PC, but how to find what files are taking up your space. Disk space analyzer can help you find those files. The Space Analyzer of MiniTool Partition Wizard enables you to find and delete these large files with ease.

Free Download

The following are the steps for analyzing disk space usage.

Step 1: Launch MiniTool Partition Wizard Free Edition to enter its main interface. Click on Space Analyzer on the top of the main page.

click on space analyzer

Step 2: In the Space Usage Analyzer page, choose the drive that you would like to analyze and click Scan . After clicking the button, the software will scan the target drive automatically.

choose the drive to scan and start the scan process

Step 3: After a while, you can get the result. As the following picture shows, the size of each file will be listed. Find these space-taking and useless files or folders, and then right click them and select Delete (Permanently) .

delete files permanently

You may also like: How Do I Free up the SSD Space Consumed with ETL Files

Method 4: Disable Unnecessary Startup Programs

Is your PC running slow? It is probably that there are some unnecessary startup programs running in the background. To fix the issue, you can disable them in Windows Task Manager . Here’s how to do.

Step 1: Right click the Windows icon at the bottom left of the desktop, and then select the Task Manager option from the pop-up menu.

choose the task manager option

Step 2: In the Task Manager page, go to Startup tab. Find the program that is unnecessary or rarely used, and then right click it and select Disable .

disable unnecessary prorgams

To know more information about disabling startup programs, please read this post: How to Disable Startup Programs Windows? Here Are Answers

Method 5: Uninstall Applications

Uninstalling applications is also a way to clean up computer. You can uninstall them easily with the following steps.

Step 1: Press Win and I keys to open Windows Settings .

Step 2: In the Settings window, click on App to navigate to the Apps & features section.

Step 3: Scroll down the right side of Apps & features page and you will find the disk space that each application takes up on your computer. In this way, you can find the most space-consuming applications quickly.

Step 4: After find the target application, right click it and choose Uninstall . Then, you will be asked to confirm the uninstallation, just click Uninstall .

uninstall the target application

Method 6: Defrag Hard Drive

If the files on the hard drive are fragmented, your computer may get slower and slower. Besides, the file storage location will become scattered and the file content will be dispersed in different disk locations due to the disk defragmentation.

What’s worse, the defragmented files will decrease your disk efficiency and increase the possibility for losing and damaging data.

Therefore, it is necessary to defrag your hard drive to clean up file defragmentation and improve the performance of your PC. Here are steps for you.

Tip: If your computer is using an SSD, please don’t defragment it. Besides, if the hard drive is almost full, there is no much use for defragmentation.

Step 1: Type defragment in the search box, and then click on Defragment and Optimize Drives to open this utility.

find and open defragment and optimize drives utility

Step 2: All the drives in your computer will be listed in the Optimize Drives page, so you can pick one according to your demand and click on Analyze button.

Tip: If you find that the percentage of the disk fragmentation is less than 10%, you don’t have to execute the following methods and try other methods to clean up computer. However, this doesn’t mean that you cannot defragment the drive. If you want to decrease the fragmentation further, you can also continue the steps below.

Step 3: To defragment the hard drive, you should click on Optimize button. Then, you need to wait for the end of the optimization process.

Step 4: To keep high computer performance, you can defragment your hard drive periodically. Click on Change settings button, and then change disk optimization schedule.

Tip: Defragmenting hard drive frequently will damage your disk. So, it is not suggested to defragment your hard drive if not necessary.

analyze and optimize hard drive

Step 5: After choosing the frequency, click on OK to save the change and exit the operation.

set hard drive optimization schedule

You may also be interested in this: Best Defragmentation Software to Handle Disk Fragmentation

Method 7: Clean up PC via CCleaner

CCleaner is a free program provided by Piriform, which can help you clean up computer. However, there are some doubt about its security. Is CCleaner safe ? This question has triggered hot discussion.

Therefore, you have to make sure that you have downloaded the Slim installer version that doesn’t include any toolbars or other crapware before starting the following operations. If you want to seek more safe methods, please try other approaches in this post.

All the contents on the system will be listed after you click on the Analyze button. You are allowed to uncheck the content that you don’t want to delete. If you don’t have that demand, click on Run Cleaner directly.

Alternatively, you can also click on Uninstall or Drive Wiper button on the left action panel of the CCleaner to delete or remove useless applications and files.

Method 8: Upgrade RAM

Computer can run slowly due to insufficient RAM ( Random Access Memory ) and issues on hard disk. The above text has talked about some methods for hard disk. Hence, this method will focus on RAM.

Programs will be held in RAM after you starting them. That is to say, RAM is your PC’s short-term memory. Generally speaking, 4 Gigabytes of RAM is enough to run a PC. However, as your PC needs to shuffle elaborate applications (such as video editing, PhotoShop) and browsers in and out frequently, RAM is becoming insufficient.

Upgrading RAM provides your computer with critical resources it needs to temporarily store data from the hard disk to the CPU for processing. With more RAM, you can enjoy more program availability, faster browsing, network enhancement, and better gaming experience.

To upgrade RAM, you can get detailed steps from this post .

I clean my computer successfully with the given methods in this post. After that, my computer runs smoothly and quickly. If you are bothered by the same issue, you can read this guide. Click to Tweet


How to clean up your computer? The 8 methods in this post can help you clean up PC. All of them are available, so you can try them randomly. Now, perform a computer clean up to release your disk space and system resource.

If you have some new thought on “how to clean your computer”, please share them with in the comment area. If you have any doubt or advice for MiniTool software, please contact us directly via [email protected] .

How to Clean up Your Computer FAQ

How do I clean up my PC?

There are 8 available methods to clean up computer.

  1. Use Disk Cleanup or MiniTool Partition Wizard
  2. Empty Recycle Bin
  3. Disable unnecessary Startup programs
  4. Uninstall applications
  5. Defrag your hard drive
  6. Delete large files on the hard drive
  7. Clean PC via CCleaner
  8. Upgrade RAM
How can I make my laptop run faster?

Before answering this question, you need to know what makes a computer fast (CPU, RAM, hard drive, GPU, cache, motherboard, software and latest OS) and then take corresponding solutions.

  1. Add more RAM
  2. Upgrade to SSD
  3. Uninstall undesired programs
  4. Disk Cleanup
  5. Go Opaque
  6. No special effects
  7. Run system maintenance
  8. Disable search indexing
  9. Change power plan
How do I remove junk files from my computer?
Many methods can help you remove junk files from your computer. For example, drag them to Recycle Bin, use Disk Cleanup program, Wipe Disk, format the hard drive, use Command Prompt, etc. You can select one according to your demand.
How to free up space on my computer?

Here are some methods to free up computer space.

  • Disable hibernation mode
  • Enable compact OS
  • Reduce the size of WinSxS folder
  • Turn on OneDrive files on-demand
  • Move files to another location
  • Save new files to another place
  • Get a larger hard drive
  • Linkedin
  • Reddit