You need disk space to download the update, download new versions of any optional features and languages that are currently installed, and to apply the update.
Additional space is temporarily required to support removal of the update typically for 10 days. This space can be reclaimed after the update is completed. Note: For devices with reserved storage, an update will first use the reserved storage space before using other disk space. For more info, see How reserved storage works in Windows.
The space required to complete a feature update depends on two factors: which update path is followed and the size of optional content and other updates that apply to your PC when the feature update is installed. Windows follows three different feature update paths, depending on the amount of disk space currently available. Windows automatically tries to complete more of the update process in the background while you use your PC.
This significantly reduces the time your PC will be offline or unusable during the update, although it might temporarily use more disk space to complete the update. Learn more about our efforts to reduce offline time during updates English only at this time.
For PCs with limited free space but still enough to complete the update automatically. Windows will automatically optimize for reducing the amount of free disk space required to install the update. This will result in a longer offline install time. For PCs that don't have enough space to automatically install the update. Windows will prompt you to free up disk space or use external storage to temporarily extend the storage on your PC.
Across each of these update paths, the total amount of free disk space required will vary, depending on the optional content installed and other updates that apply to your PC. For example:. Optional features. Many optional features available for Windows are pre-installed or acquired on demand by the system, or manually by you. Languages installed. Windows is localized into many languages. Although many people only use one language at a time, some people switch between two or more languages.
Open Language settings During each update, all language resources and any associated typing, text-to-speech, speech-to-text, and handwriting recognition resources must be updated. The content for each language can range from about MB to more than MB.
Driver updates. OEMs and other hardware partners sometimes publish new graphics, networking, audio, and other drivers in conjunction with the new OS update. The size of these drivers can vary significantly, depending on your PC and on which drivers have been updated.
OS quality updates. During a feature update, Windows tries to download and automatically install the latest quality update so that your PC is fully up to date when you start using it.
Shortly after the feature update is released, the quality update for that feature update could be as small as a few hundred MB, but as more quality and security changes are implemented, the quality update can increase in size to 1 GB or more. If your PC is short on disk space, you can download and install the quality update after the feature update is complete. Finally, Windows Update will temporarily disable hiberfile.
Any files that are disabled to apply the update will be automatically re-enabled when the update is complete. Because these files vary in size depending on how you use your PC and the amount of RAM your PC has, even in cases where two different PCs have the exact same OS image, the amount of free disk space required to complete an update may vary.
Here are a few examples for PCs updating to Windows 10 version You can use the following methods:. Windows 11 Specifications, System Requirements, Features. If the disk space is not enough and you want to delete some files, you can also complete this operation there, for example:. After checking disk space on Windows, if you find the disk is full, you may want to free up disk space. If you want to delete more files, please click Clean up system files.
When chkdsk finishes, you can check these files to see if they contain any data you need. If you press N , Windows fixes the disk, but it does not save the contents of the lost allocation units. This could happen if open files have not yet been recorded in the file allocation table. If chkdsk reports the loss of a large number of allocation units, consider repairing the disk.
Because the Shadow Copies for Shared Folders source volume cannot be locked while Shadow Copies for Shared Folders is enabled, running chkdsk against the source volume might report false errors or cause chkdsk to unexpectedly quit.
You can, however, check shadow copies for errors by running chkdsk in Read-only mode without parameters to check the Shadow Copies for Shared Folders storage volume. The chkdsk command, with different parameters, is available from the Recovery Console. On servers that are infrequently restarted, you may want to use the chkntfs or the fsutil dirty query commands to determine whether the volume's dirty bit is already set before running chkdsk.
The following table lists the exit codes that chkdsk reports after it has finished. If it encounters errors, chkdsk pauses and displays messages. Chkdsk finishes by displaying a report that lists the status of the disk.
You cannot open any files on the specified drive until chkdsk finishes. Chkdsk displays a status report, and then lists the files that match the file specifications that have noncontiguous blocks. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Nevertheless, should a friend ask you for help with checking the storage space used by apps in Windows 10, you will know how to help them. Click on the Start Menu and open the Settings app.
This will let you view the storage space of all the Hard Drives you have connected to the PC. Click on the hard drive which you wish to check and it will display a list of information, which shows you exactly how much space is used by each folder or area in Windows You can narrow it down further by clicking on any of the folders and it will provide you the information of its own folder tree.
This method is not as efficient as TreeSize Free, as it lacks the advanced sorting power and searching options of the application. For this, normally, we use Windows Explorer to copy and paste files and folders.
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