During computer usage, the generation of junk files is unavoidable due to various reasons. Prolonged accumulation of junk files can significantly impact the performance of our computers. Therefore, regular junk file cleanup is essential to free up memory. In this article, Mytour shares some quick and effective methods to clean up junk in Windows 10 and Windows 7. Let's dive in!

1. Utilize the Built-In Disk Cleanup Feature in Windows 7 & 10
First, right-click on the Windows installation drive, usually C drive, and select Properties. Then, in the new window, choose Disk Cleanup. Next, in the subsequent window, select Clean up system files.

Tick all items with significant file sizes in the File to delete section. These are the junk files to delete. Some files may exceed 5GB in size, as shown below.

Press Ok, then click Delete files to initiate junk file deletion. After deletion, nearly 6GB of hard drive space will be freed up, a substantial amount.
2. Manually Delete Temporary Files
Step 1: Press Windows + R to open the Run dialog, then type temp and press Enter.

Step 2: The Temp window appears containing all temporary files. Delete all files in it. If any item cannot be deleted, click Skip to proceed.

Similarly, enter the following commands one by one and delete all files in the corresponding folders to clean up junk in Windows:
- %temp%
- recent
- softwaredistribution
- prefetch
3. Use Junk Cleaning Software
Utilizing third-party junk cleaning software alongside built-in Windows features enhances efficiency. The most renowned among these is CCleaner. Besides junk cleaning, CCleaner also facilitates system optimization and uninstallation of unnecessary programs.

Using CCleaner is straightforward. Refer to this article on Mytour to learn more: https://Mytour/huong-dan-cach-su-dung-ccleaner-de-don-dep-may-tinh-hieu-qua/
Here's a guide on how to clean junk files on Windows 10 and Windows 7 computers. We hope you find this article helpful. Wish you success!