NOTE: It’s hard to tell the exact amount of space you will gain by compressing your Windows 10 install files and folders. To check the file system type, right-click on the drive, and then click properties. Please note that this NTFS file compression feature is available only if the drive where Windows 10 is installed is using NTFS instead of other file systems. If possible, we suggest you avoid compressing Windows 10 install and use other ways out there to free up some space on the system drive. Method 2 of 2 Compress Windows 10 using the NTFS compression methodĪs mentioned before, compressing operating system files might degrade Windows 10 performance. To turn off compact state feature and uncompress Windows 10, execute the following command. You should be able to free up at least 2 GB of free space by compressing the Windows 10 operating system. Once done, check the drive properties to know how much space you gained by compressing Windows 10 OS.

Step 3: To compress your Windows 10 OS, type the following command, and press Enter key.ĭepending on the size of the data on drive where Windows 10 is installed and your PC’s hardware configuration, Windows might take up to an hour to complete the job. It will remain in this state unless an administrator changes it” message. The tool is showing “not beneficial for this system” likely because Windows 10 was installed on a large drive.Īnd if the compact state is enabled, you will get “The system is in the compact state. The message “The system is not in the compact state because Windows has determined that it is not beneficial for this system” indicates that Windows 10 is not compressed using the compact OS feature. In the elevated Command Prompt, type the following command and press Enter key to know the status of the compact state. Step 2: Before actually beginning to compress the operating system, it’s a good idea to check the status of the compact state. You can also right-click on the Start button and then click Command Prompt (admin) to open elevated Command Prompt.Ĭlick Yes button when you see the User Account Control dialog.

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