Windows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallCrashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteStart with your computer’s built-in storage view: it shows which broad categories are using space without requiring another app. If that view is too general, inspect your largest folders and sort their files by size. The steps depend on whether you use Windows, macOS, or Linux.
See what is using space in Windows 10 or 11
Check the category overview
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Open Settings > System > Storage.
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Review the categories, such as Installed apps, Temporary files, and System & reserved. Select a category for more detail where available.
System & reserved is not a list of files to delete. It includes space reserved for temporary files, caches, and other system needs; Windows may also use reserved space for processes such as an update when the device is low on space. See Microsoft’s explanation of Storage settings and reserved storage.
Use Cleanup recommendations carefully
In Storage settings, select Cleanup recommendations to review suggested categories, including Temporary files, Large or unused files, Files synced to the cloud, and Unused apps. Windows estimates how much space each selection could save; check the items before choosing Clean up. Deleting a previous Windows installation removes Windows.old and the option to return to that previous version. Details are in Microsoft’s guide to freeing drive space.
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Find individual large files
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Open File Explorer > This PC.
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Open likely folders, especially Videos, Music, Pictures, and Downloads.
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Switch to Details view and sort by Size to bring larger files into view.
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Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black- Easily store and access 1TB to content on the go with the Seagate Portable Drive, a USB external hard drive.Specific uses: Personal
- Designed to work with Windows or Mac computers, this external hard drive makes backup a snap just drag and drop. Reformatting may be required for Mac
- To get set up, connect the portable hard drive to a computer for automatic recognition no software required
- This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable
- The available storage capacity may vary.
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Delete only files you recognize and no longer need. Empty the Recycle Bin to release the space they occupy, or move files you want to keep to external storage.
Know what Storage Sense will and will not scan
Storage Sense works on the system drive, usually C:. To inspect another drive, use Storage used on other drives in Storage settings. Its behavior depends on your settings: by default, Downloads and cloud content are not touched unless configured. Windows 11 version 22H2 documentation describes a default OneDrive online-only period of 30 days, but settings and Windows versions can differ. Review Microsoft’s Storage Sense settings rather than assuming your installation uses the same choices.
Recommended Free Tools
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Check storage on a Mac
Open the storage breakdown
On macOS Ventura 13 or later, choose Apple menu > System Settings > General > Storage. On earlier macOS releases, choose Apple menu > About This Mac > Storage. The panel groups used space by category and may take time to update after space is freed. Apple documents both paths in How to free up storage space on your Mac.
Interpret System Data (or Other)
System Data, called Other in some versions, is a broad category for Apple and third-party files that do not fit a more specific category. It does not identify one file or mean that system files are safe to remove. Check category details where offered, then look at files you control, such as Downloads, media, apps, and old device backups. Moving a file to Bin alone does not free its space; empty Bin when you are sure you no longer need its contents.
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Find space usage in Linux with GNOME
GNOME’s Disk Usage Analyzer, also known as Baobab, can scan a selected local folder, your home folder, a remote folder, or internal storage devices. Its ring chart and treemap help show how usage is distributed. A scan can take time; if a directory cannot be scanned, that failure does not prove it uses no space. GNOME’s help covers both the tool and troubleshooting directories that cannot be scanned.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Choose the right method for the question
| Method | What it shows | Scope and format | Built in? | Cleanup actions? |
|---|---|---|---|---|
| Windows Storage settings | Category totals and, in Cleanup recommendations, reviewable cleanup candidates | System drive overview; category details where available | Yes | Yes, after you select items |
| File Explorer size sorting | Individual files ordered by size | Folders you open; sortable list | Yes | No automatic cleanup; you decide what to delete or move |
| macOS Storage | Category totals, including System Data or Other | Mac storage overview; category details where available | Yes | Some categories offer management options; review before acting |
| GNOME Disk Usage Analyzer | Folder and device usage shown as a ring chart or treemap | Selected folder, home, remote folder, or internal storage device | Available as a GNOME utility | Primarily an analyzer; use your file manager to remove or move files |
| Sysinternals DU | Directory sizes, recursively by default | Command-line output; supports depth limits and CSV | No, separate Microsoft utility | No; reports usage |
For a technical Windows alternative, Microsoft Sysinternals DU v1.62 reports directory sizes recursively by default and can limit depth or output CSV. Its documentation, by Mark Russinovich, was published November 4, 2020, and Microsoft Learn lists a last update of July 19, 2022. See Microsoft’s DU documentation. It is useful when a sortable folder list or built-in category summary is not detailed enough, but most people should start with Storage settings or File Explorer.
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Keep files without keeping them on the computer
If you identify large files you want to retain but do not need locally, you can move them to an external USB drive or other suitable external storage. Confirm that the drive has enough free capacity and a compatible connector, then verify the files are present on the drive before removing the local copies. Apple and Microsoft both describe external storage as an option for keeping personal files while freeing computer storage: see Apple’s Mac storage guidance and Microsoft’s Windows guidance.
Quick Recap
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