Add more space on your Windows computer

Running out of space on your Windows PC? If you have unnecessary files clogging up your hard drive, you can use built-in tools to clear it up quickly. You can also use cloud services if you want access to your files from other devices. If you're interested in adding more storage to your PC without deleting anything, you can install a secondary SSD or HDD. Here's how to get more storage on PC.

Quick Tips to Increase Storage Space

  • Use built-in Windows features such as Storage Sense and Disk Cleanup to clear out unnecessary files.
  • Use a USB or hard drive to transfer and keep large files such as photos and videos.
  • Sign up for a cloud service such as iCloud or Google Drive to keep files off your computer and accessible from anywhere with an internet connection.
1

Use Storage Sense to clear up space.

  1. If you're running out of space on your PC, you can use Windows' built-in drive space manager, Storage Sense. When this is enabled, it will regularly remove temporary files, Recycle Bin content, and other files you won't need so your disk space can be utilized for other things.[1] To enable it, do the following:
    • Click Start.
    • Click Settings.
    • Click System.
    • Click Storage.
    • Select On next to Storage Sense.
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2

Use the Disk Cleanup tool.

  1. If you're using Windows 11 or Windows 10, you have access to a built-in tool called Disk Cleanup. This tool helps you get rid of unnecessary files that may be slowing down your device, such as old update files, temporary files, and more. To use this tool, do the following:
    • Click the Start menu.
    • Search "disk cleanup".
    • Click Disk Cleanup.
    • Check the box next to all categories.
      • If there's a category you need to keep, leave it unchecked.
    • Click OK.
    • Click Delete Files.
    • Launch Disk Cleanup again.
    • Click Clean up system files.
    • Check the box next to all categories and click OK.
5

Delete large files with File Explorer.

  1. Windows labels files above 4 GB as "Gigantic" and files between 1 and 4 GB as "Huge". You can use these labels to search for and find files on your computer. Do the following:
    • Open the File Explorer.
    • Click This PC in the left panel.
    • In the search box, enter size:Gigantic and wait for the results to load.
    • Delete any Gigantic-sized files you don't need.
    • In the search box, enter size:Huge and wait for the results to load.
    • Delete any Huge-sized files you don't need.
    • If you have a lot of folders full of smaller files, you can download a program such as WinDirStat to scan and create a list of directories. You'll be able to see the size of the folders and delete them if needed.
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6

Extend your hard drive.

  1. If you have unallocated space, you can put it towards another hard drive to increase its capacity.[2] Do the following:
    • Open the Start menu and type "disk management".
    • Click Create and format hard disk partitions.
    • Check the disk drives for Unallocated. You may need to select it first.
    • Right-click the volume you want to extend and select Extend Volume.
    • Select Next.
    • Under Select Disks, select how much disk drive space to use. Otherwise, leave it at the default to use all available.
    • Select Next, then Finish.
8

Invest in an extra hard drive or SSD.

  1. Hard drives (HDDs) and solid-state drives (SSDs) are able to hold a lot more storage than the average USB. This is a fairly simple way to add extra storage to your PC without needing to open it up or fiddle with the operating system. Depending on your PC, you may be able to install a new internal HDD or SSD. However, it's more common (and much easier) to add more space by connecting an external SSD or HDD to your computer's USB port. You can opt to keep videos, photos, and other large files on the hard drive for safekeeping.[3]
    • SSDs are much faster than HDDs, though they tend to cost more money.
9

Use OneDrive Files On-Demand.

  1. Files On-Demand can save space on your computer by keeping files in the cloud. You can mark certain files as online only and access them in OneDrive whenever you need to. For other files you need on your device, you can set them to be available locally. Files On-Demand is enabled by default for all users running OneDrive build 23.066.[4] If it's not enabled, do the following:
    • Launch OneDrive and make sure you're logged into your account.
    • Select the settings icon.
    • Click the Sync and back up tab.
    • Click Advanced settings.
    • Toggle on Files On-Demand.
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12

Troubleshoot the Windows Store.

  1. If you're still experiencing Low Disk Space errors despite using the Disk Cleanup tool, the Microsoft Store may be taking up unnecessary space in the Temp folder. To fix this, you must reset the Microsoft Store, clear the cache, and then use the Windows Update troubleshooter. Do the following:
    • Reset the Microsoft Store:
      • Click Start and select Settings > System > Troubleshoot > Other troubleshooters.
      • Click Run next to Windows Store Apps.
    • Clear the Microsoft Store cache:
      • Press the Windows key + R to open the Run menu.
      • Type wsreset.exe and click OK.
    • Use the Windows Update troubleshooter:
      • Click Start and select Settings > System > Troubleshoot > Other troubleshooters.
      • Click Run next to Windows Update.
14

Compress big folders.

  1. You can compress folders (or your entire drive) to free up some space. Keep in mind that this may affect your device's performance if you choose to keep these files compressed and try to use them regularly. Only compress files if you need space as soon as possible. Do the following:[6]
    • Right-click the folder you want to compress.
    • Click Properties.
    • Click Advanced.
    • Check the box for "Compress contents to save disk space" and click OK.
    • Click Apply.
    • Select "Apply changes to this folder, subfolders, and files" and click OK.

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About This Article

Stan Kats
Reviewed by:
Professional Technologist
This article was reviewed by Stan Kats and by wikiHow staff writer, Rain Kengly. Stan Kats is a Professional Technologist and the COO and Chief Technologist for The STG IT Consulting Group in West Hollywood, California. Stan provides comprehensive technology solutions to businesses through managed IT services, and for individuals through his consumer service business, Stan's Tech Garage. Stan holds a BA in International Relations from The University of Southern California. He began his career working in the Fortune 500 IT world. Stan founded his companies to offer an enterprise-level of expertise for small businesses and individuals. This article has been viewed 8,766 times.
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Co-authors: 7
Updated: January 27, 2026
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Categories: Computer Storage
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