This Free Tool Can Help You Save a Lot of Disk Space on Windows

Ben Stegner 13-04-2017

Those on tiny hard drives know the daily struggle of juggling your files to avoid low storage space warnings. When you barely have enough hard drive space to run Windows How Much Space Do You Need to Run Windows 10? Windows 10 is compact. You can strip it back even further to make it take up the least amount of disk space possible. Read More , you need to save space in any way possible.


If you’ve already deleted all the excess data on your PC but need more space, there’s another method you should consider: compacting the operating system How to Save More Disk Space with Compact OS on Windows 10 What if you could easily and permanently save up to 6.6 GB of disk space on any Windows 10 device? You can with Compact OS and we show you how. Read More . This can save around 1.5 GB on a 32-bit system or 2.6 GB for a 64-bit installation. Usually compacting the OS takes some commands at the Command Prompt, but there’s a free tool that will do it easily for you instead.

The tool is called Dism++ and you can grab it from this forum post. You’ll have to sign up for an account on the website to view it.

Once you’ve downloaded it, unzip the file and run either the Dism++ x64 or x86 version if you’re using a 64-bit or 32-bit version of Windows, respectively. On the left sidebar, click the Disk Clean tab. Hit the None button at the bottom of the window to clear all check boxes, then check the Compact OS (Slower) box under the System header. Press the Scan button to analyze how much space this will save you.

This Free Tool Can Help You Save a Lot of Disk Space on Windows DISM Compact OS

The developers claim that this will save up to 33 percent disk space, but you’ll have to give it a try yourself to see. Note that compacting the OS is really only useful for those with tiny drives. If you have some 100 GB of unused space, the small increase isn’t worth compacting for. Thanks to MakeUseOf reader Yoda San 7 Best Apps to Enhance Default Windows Features Windows has plenty of great default features, but some of them could be better. Here are seven awesome utilities to enhance anything in Windows. Read More for letting us know about this tool.


Still need to free up space? Check out large Windows folders you can safely delete Delete These Windows Files and Folders to Free Up Disk Space Want to clear disk space on your Windows computer? Take a look at these Windows files and folders you can safely delete. Read More .

Have you ever compacted your operating system? Let us know how much space this tool saved you in the comments!

Image Credit: Dan74 via Shutterstock

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  1. 13thGeneral
    April 14, 2017 at 1:06 pm

    Did you even test it?
    Seems a bit odd to review a piece of software, recommend it to readers, but have absolutely zero test results.

  2. Ryan Stevens
    April 13, 2017 at 11:42 am

    Hard drive space can finish off snappy, and if you don't know where to look, it can be difficult to work out precisely where all that space is going.Here you will know 7 Ways To Free Up Hard Disk Space On Windows: