The Disk Cleanup tool included with Windows can quickly erase various system files and free up disk space. For the most part, the items in Disk Cleanup are safe to delete. It will immediately scan for files it can delete and display a list to you. To remove a group of files, check it. Deleting it can free a few gigabytes of hard disk space. This is probably the most important option on the list, as deleting it could cause you problems. The Windows Update Delivery Optimization feature allows you to get Windows updates from or send updates to the neighboring computers or the machines in your network.
This feature makes you get the update faster. But, it will take a lot of space on your computer hard drive. If these files really take much disk space or you believe that the Delivery Optimization Files are corrupt, you can delete them.
The old versions of the device drivers are kept in the Device Driver Packages. When needed, you can roll back a device driver in Device Manager to solve some issues.
However, if your computer and all the devices work well, you can delete Device Driver Packages in Disk Cleanup. These are the system restore points that you have created for system restore.
This is another way to empty Recycle Bin on your computer. After upgrading Windows, your computer will keep the previous Windows system files for 10 days. You can downgrade your Windows within 10 days.
When you see this option in Disk Cleanup, you can manually delete them if you are not going to degrade your Windows OS. The Windows installation and major upgrade process will generate temporary Windows installation files. If you are not in the process of a Windows installation or major update, you can feel free to delete these files.
The following options are unimportant for you. You can delete them immediately to release disk space for new data. But, it seems that the files in it are not critical for Windows Defender. They are some temporary files and you can remove them without scruple. This folder includes ActiveX controls and Java applets that are downloaded from the Internet when you use Internet Explorer to view certain web pages.
You can delete them without influencing your computer. Actually, they will be re-downloaded when visiting a web page that needs the files.
These files are the browser caches that are generated when using Internet Explorer and Microsoft Edge. With these files, the web browser will load the previous opened website faster in the future. But beyond that, there will be no other influence.
You can directly delete them in Disk Cleanup. Some other Windows web browsers like Google Chrome and Mozilla Firefox will maintain the current situation. These are the thumbnail images for videos, pictures, documents. If you delete them, Windows will re-create them when you access a folder that contains those files again.
The followings are some files that appear in the old Windows versions or related to some certain types of files. Except for the Windows ESD Installation files, if you are not going to roll back a device driver, uninstall a Windows update, downgrade Windows version, or fix a system issue, it is safe to delete almost all files in Disk Cleanup.
If you mistakenly delete some files, such as the files you want to restore in Recycle Bin, you can use free data recovery software to get them back. MiniTool Power Data Recovery is a good choice. This software is a special file recovery tool that can be used to rescue files from hard drives, SD cards, memory cards, and more in different situations. The answer is positive! But after deleting the folder, you will be unable to downgrade your current system to prevision.
If you want to keep it, you can backup or copy the folder to another location. You are not allowed to remove Windows.
If you really want to delete it to free up disk space on C drive, follow the steps given below:. Step 1. Step 2. Step 3. Wait till the Disk Cleanup for C : are open. Then click the " Clean up system files " option. Step 4.
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