Why Is Winsxs So Big?
Why the WinSXS Folder Gets too Big
The WinSXS folder contains every operating system file. When Windows installs updates, it drops the new Windows component in the WinSXS folder and keeps the old component in the WinSXS folder. This means that every Windows Update you install increases the size of your WinSXS folder.

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Similarly, you may ask, how do I reduce the size of WinSxS?

How to reduce size of WinSxS folder using Storage sense

  1. Open Settings.
  2. Click on System.
  3. Click on Storage.
  4. Under the "Local Disk" section, click the Temporary files item.
  5. Clear the default selection.
  6. Check the Windows Update Cleanup option.
  7. Click the Remove files option.

Likewise, what WinSxS files can I delete? The answer is, no. Nor can you delete everything in the WinSxS folder, because some of the files are important for Windows to run and update. Basically, WinSxS folder is where the files needed for your Windows are, as well as backups and/or updates of those files.

In this manner, is it safe to delete WinSxS?

One commonly asked question is, "Can I delete the WinSxS folder to regain some disk space?" The short answer is no. Deleting files from the WinSxS folder or deleting the entire WinSxS folder may severely damage your system so that your PC might not boot and make it impossible to update.

Can I delete amd64 files from WinSxS?

So all AMD64 files you see are 64Bit files. No you can't delete them. You can only safely cleanup WinSxS by running disk cleanup after installing Update KB2852386 to remove Updates which are replaced by newer ones.

Related Question Answers

What is DISM?

Microsoft Windows Deployment Image Servicing and Management (DISM) is a software tool that information technology (IT) administrators can access through the command line or PowerShell to mount and service a Windows desktop image or hard disk before deploying it to users.

Can I delete Softwaredistribution?

It is generally speaking safe to delete the contents of the Software Distribution folder, once all files required by it have been used for installing Windows Update. Even if you delete files otherwise, they will get automatically downloaded. However, this data store also contains your Windows Update History files.
Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.