Compactos cmd, Sep 26, 2016 · How to Check, Enable, and Disable CompactOS You can control the CompactOS feature with the Compact. A) Copy and paste the command below into the command prompt, press Enter, and go to step 6 below. exe /compactos:query command to display the Compact OS status. /WinDir Used with /CompactOs:query, when querying the offline OS. You must be signed in as an administrator to enable or disable Compact OS. Execute compact /compactos:always or compactos: never Feb 3, 2023 · Reference article for the compact command, which displays or alters the compression of files or directories on NTFS partitions. Compact OS allows you to run the operating system from compressed files. To Compress Windows 10 OS Binaries (system files). unless an administrator changes it. How to Enable or Disable Compact OS in Windows 11: Run Command Prompt as administrator. Used without parameters, COMPACT displays the compression state of the current directory and/or any files it contains. When running CompactOS, Windows update can replace or remove individual files as needed to help maintain the drive footprint size over time. . filename Specifies a pattern, file, or directory. Dec 26, 2022 · Windows 10 and Windows 11 include tools to help you use less drive space, including Compact OS, which allows you to run the operating system from compressed files. We recommend creating a backup of your system before making any changes. Activate, test, and optimize CompactOS on Windows. A) Copy and paste the command below into the command prompt, press Enter to see if your Windows 10 is currently in the compact state (compressed), and go to step 4 (compress), step 5 (uncompress), or step 6 below. Jul 28, 2016 · Find out how to save disk space on the main Microsoft Windows 10 hard drive by running the command line tool compact OS to compress files. Specifies the directory where Windows is installed. Save space with DISM and compact. Compact OS is supported on Dec 5, 2025 · Type cmd in Windows Search, select Command Prompt → Run as administrator. Aug 2, 2024 · How to enable or disable Compact OS in Windows 10/11? This post provides you with the detailed steps and offers some extra information. exe. Dec 24, 2021 · When running CompactOS, Windows update can replace or remove individual files as needed to help maintain the drive footprint size over time. Dec 25, 2025 · I came across CompactOS, a built-in Windows feature that compresses the operating system itself. Run the compact. Windows 10 and Windows 11 include tools to help you use less drive space: 1. Clear instructions with commands and precautions. Dec 28, 2025 · To enable Windows system compression, type the following command: This tool ensures that the compact OS installs the operating system files as compressed files. exe command in a Command Prompt window with Administrator permissions. First, you'll need to open a Command Prompt window as administrator. Right-click the Start button or press Windows+X, then select "Command Prompt (Admin)" to open one. Single-instancing helps you run your pre-loaded Windows desktop applications in compressed files. Here's some ways to shrink the image, optimize the image, and some considerations when deploying to Open an elevated command prompt. It can take a while to finish compressing. Take a look at these two common backup solutions. With one command in the Command Prompt and a few minutes of waiting, I had 11GB back on my SSD without deleting a single personal file. To Query Current System Compact State. 2. Do step 3 (query), step 4 (compress), or step 5 (uncompress) below for what you would like to do.
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