How to Clean Up 15 GB or More from Your Windows 10 Computer

When you upgrade from Windows 7/8.1 to Windows 10, the software retains a copy of your old operating system just in case you want to revert. However, if you don’t want to revert to your old Windows operating system, you’re left with at least 15GB of wasted space on your hard disk drive, all of it stored in a folder called Windows.old. If you try to directly delete the Windows.old folder in Windows File Explorer, the system won’t let you remove most of the files because it considers them system files. Instead, you’ll have to use Windows 10’s disk cleanup tool for accelerator computer.

To run it, type disk cleanup into the Windows search bar, and then click the disk cleanup program entry that appears. Click on the “Clean up system files” button, the tool will examines your system for files to clean. After a short while, it shows you a list of all the files it can clean for you.


Scroll down to “Previous Windows installation(s)” and you’ll see how much disk space the Windows.old folder uses. Check the box next to it if you want to delete it, and then click OK, the Disk Cleanup tool will take anywhere from 30 seconds to several minutes to delete the files. If you do that, of course, you won’t be able to revert to your old Windows OS.

There’s more you can remove as well. Besides Disk Cleanup, you could also use UPCleaner, one of the best free computer cleaner, to clean up the files you no longer need such as temporary internet files, invalid patch, installation package, and files remaining in the recycle bin.

Smart Optimization Schemes from the Best PC Optimizer UPCleaner

Is it very hard to find a reliable PC accelerator for your daily usage? My answer is “No”! There are many utilities designed to hunt down and remove unwanted files and extensions. It is a piece of cake for you to pick one out if you don’t care about its fame and reviews. In fact, a good computer optimizer will help you get rid of all the troubles that you come across when using your PC. Even if it is a brand new one you just buy, the operating system will turn to be slow as the junk files and unused registry pile up.

The best PC optimizer we particularly recommend is called UPCleaner – Ultimate PC Cleaner. This free piece of software scours your hard drive for all the pesky files hogging your disk space, including temporary files, internet cookies and unused registry files. It provides you smart optimization schemes and speeds up your computer. Based on the quick optimization feature, it can smart shut down unnecessary background programs and services and find out what is slowing down your computer. In addition, its web browser protection may secure your browser with the one-click lock.

UPCleaner’s main feature is “PC Optimizer“, which you’ll find under the tab of Broom. With one single click, it will delete temporary files from your browsers and other programs, including system programs like Windows Explorer. As we mentioned before, clearing up these files—particularly if they take up a lot of space—can help your computer run a little better. Besides, if you want to keep your web browsing private, you may want to clean them more often. Cleaning the temporary files is also a good first step in troubleshooting a misbehaving program.

Another special feature of UPCleaner is to protect your web browser from malware and phishing scams. To secure your shopping, you need a lot of common sense and practical advice. For example, you have to make sure that the checkout process is secure; you also need take the time to understand the guarantees that your card-issuer offers with respect to shopping online. Except for paying attention to the procedure while shopping online, you will also need a safe program to protect your web browser. UPCleaner’s web browser protection may secure your browser with the one-click lock, which blocks websites in more than 70 categories, including pornography, gambling, drugs, violence/hate/racism, malware/spyware, phishing.

Completely Remove Programs with The UPCleaner

How to uninstall unnecessary programs from your computer safely and completely? By using Power Eraser provided by the UPCleaner free computer cleaner , you can uninstall programs and remove remnant files.

There are many reasons why you need to remove programs from your computer. Some programs may not work properly, or you may simply want to remove some programs you haven’t used for a long time so that you could free up some hard disk space on computer. However, some programs can be a bit tricky for you to remove completely. So we suggest you try to use Power Eraser which can help you quickly uninstall software and easily remove remnant files on your computer.

Power Eraser is a useful tool to uninstall your unwanted programs and clear their remnant files completely. Just follow the steps below to remove your unwanted programs with the Power Eraser.

Step 1: Download and install the UPCleaner on your computer.

Step 2: Choose ToolBox and click on the “Power Eraser” icon.

Step 3: Check the program you want to uninstall and click on the Uninstall Selected button to remove them, or you could directly click on the Uninstall button to delete them one by one.

Step 4: After uninstalling programs, you may see the following message:

Just click on the Clean NOW button to completely delete the remnant files.

Power Eraser is the perfect solution for uninstalling unwanted programs to accelerator computer, allowing you to uninstall programs quickly and completely using its simple and user-friendly interface. It is able to scan and delete all the remnant files and folders after uninstalling, making sure the programs are completely removed from your computer.

Protect Browser Shortcut with UPCleaner

Whenever browser makers tighten the defense systems of their browser, it does not take long usually before malware authors find new methods to penetrate those defense, one of the new methods is change browser shortcut. A browser hijacker can change the default settings of Internet Explorer, Mozilla Firefox, and Google Chrome without your permission, it can also change your browser shortcuts to ensure that you will always be redirected to the specific website its author want you to visit in order to acquire profit or something.

Not every web browsers display warning information to users when the default settings of browser get changed, that’s why you need to use UPCleaner and keep it running on your computer. UPCleaner works as a best pc optimizer and malware removal tool, it provides users with multiple, active protection functionalities. If any malware intends to change your browser shortcut or other default settings of browser, UPCleaner will display the warning information to remind you of malicious activities. By using UPCleaner, you would not encounter browser hijacking anymore unless you remove it.

UPCleaner – Trusted Malware Removal Tool

There are different types of web threats on the internet, browser hijackers is one of them. Normally, when you open your browser, it will directly load the default home page you choose. But if your computer gets infected with a browser hijacker, your browser will be redirected to a different site which possibly contains malware.

Browser hijacker’s developers have been using it for years to generate traffic of websites, collect search keywords, and redirect users to specific sites. Unfortunately, browser hijackers, the malware won’t let you visit the sites you set as the default, are difficult to be removed from PCs if you don’t have the tools.

As one of the most trusted malware removal tool, UPCleaner is competent to protect your from web threats. After opening the UPCleaner, click on the shield icon located at the bottom and click on the “Scan NOW” button, UPCleaner will start scanning your PCs thoroughly and show you the security status of your PCs, if there is any vulnerable objects or disabled security options, you just need to click on the “Fix NOW” button to fix them and enable these options.

Once your default browser, homepage and search engine are under protection of UPCleaner, if a browser hijacker attempts to modify them, UPCleaner will pop up an alert to remind you about the malicious activities, you could also utilize the built-in Power Eraser to completely remove browser hijacker malware from your PCs.

It’s highly recommended that you download UPCleaner and run it at startup due to its powerful security features. With UPCleaner, your web browser will no longer be vulnerable to browser hijacking, it would be very difficult for malware to modify the default settings of your web browser and harm your PCs.

UPCleaner – Free Junk File Computer Cleaner For Windows 10

Do you know that with on every action taken on your PC, there is a chance that junk files get accumulated on your computer? These junk files occupy the precious space on your hard disk and lead to system crashes. These junks file are accumulated over time as a result of surfing the Web (Browser junk files), creating and saving files (System junk files), installing and uninstalling programs (Program remnants).

System Junk files are created by Windows during the installation of software. Web Browsers download temporary files to speed up the process of loading of the same webpage again. When opening a document, junk files get created to smoothen your work but the problem is that after you complete your work, these junk files stay on your PC even when they are of no use. So, it becomes necessary to delete these junk files in order to speed up your PC.

UPCleaner is one of the most powerful free junk computer cleaners, it is an easy-to-use program which makes your system faster and more secure. This program offers some tools that let you control your programs that automatically run when you turn on your computer. You can remove cookies, caches and various other temporary files which take up a lot of space on your computer. Cleaning junk files will free up a lot of valuable hard disk space, this will make your computer faster.


By using UPCleaner, you can remove cache, cookies, temporary internet files, registry junk and all those remnant files from all the programs installed on your computer, it takes only a few seconds to scan and delete all those junk files which were accumulated on your PC. You can uninstall unnecessary programs and clean their remnant files in the Power Eraser of UPCleaner. In short, UPCleaner is the ultimate free cleaning tool available online, it is able to easily remove hundreds of thousands of junk files from your computer. Fortunately, UPCleaner can also be used on Windows 10, the latest version of Windows OS.

About UPCleaner as Best PC Optimizer

UPCleaner is the world’s favorite best pc optimizer tool! It protects your online privacy, safeguard your data and make your PC faster.

UPCleaner is an efficient tool with five advantages: provides smart optimization schemes and speed up your computer, real-time clear memory to keep your computer at peak performance, find out what make your computer run slower , monitor computer performance directly and easily, More importantly, it is a permanent free use.