How to Release the Space of C Drive by Compressing the WinSxS Folder

When we use computers, it creates numbers of data. Over time, more and more data is stored to shrink the disk. If you’ve ever searched big files on the C drive, you might have noticed a folder named WinSxS which takes up approximately 6GB – 10GB of space. In this present tutorial, we offer a way to compress the WinSxS folder manually and thus release C drive free space.

How to compress WinSxS folder?

Step 1. Open the Properties window of WinSxS

Please press Win+e to open File Explorer, then navigate to C:Windows. Find and right-click on WinSxS, and select Properties.

Step 2. Click Advanced button

You can view the size of the WinSxS folder before compressing. (The size will normally decrease 1GB-2GB when you done compressing.) In General tab, please click Advanced… to continue.

Step 3. Select Compress contents to save disk space

In the Advanced window, please select Compress contents to save disk space, click OK.

Step 4. Start to compress

After clicking the button Apply at the bottom of the Properties window, a new window comes out, called Confirm Attribute changes and there are 2 options: • Apply changes to this folder only. • Apply changes to this folder, subfolders and files. Please select the one you want, and click OK to save the settings. Then click OK to start compressing. The space of the C drive is precious, remember to clean it up often to make your computer at peak performance.