[{"data":1,"prerenderedAt":634},["ShallowReactive",2],{"blog-article-\u002Fzh\u002Fblog\u002Fwindows-11-c-drive-full":3},{"id":4,"title":5,"author":6,"body":7,"category":615,"cover":616,"coverAlt":617,"description":618,"draft":619,"extension":620,"meta":621,"navigation":622,"path":623,"publishedAt":624,"seo":625,"stem":626,"tags":627,"translationKey":632,"updatedAt":624,"__hash__":633},"articles_zh\u002Fzh\u002Fblog\u002Fwindows-11-c-drive-full.md","Windows 11 C 盘空间不足？如何安全清理并释放空间","Harry",{"type":8,"value":9,"toc":592},"minimark",[10,35,44,49,56,59,87,90,94,101,108,111,115,122,125,163,170,174,180,194,197,201,208,228,231,238,242,249,255,270,273,277,280,283,289,295,298,309,313,415,422,426,429,449,452,456,467,473,478,501,504,509,512,516,522,526,529,533,536,540,543,546],[11,12,13,14,18,19,23,24,23,27,30,31,34],"p",{},"Windows 11 的 C 盘快满时，先打开 ",[15,16,17],"strong",{},"设置 → 系统 → 存储","，确认究竟是“已安装的应用”“其他”“临时文件”还是个人文件占用了空间。然后再逐项检查清理建议、临时文件、应用和下载文件夹。不要一上来就删除 ",[20,21,22],"code",{},"C:\\Windows","、",[20,25,26],{},"Program Files",[20,28,29],{},"ProgramData"," 或 ",[20,32,33],{},"AppData"," 里看不懂的目录。",[11,36,37],{},[38,39],"img",{"alt":40,"decoding":41,"loading":42,"src":43},"文件资源管理器中的 C 盘容量条变红，476 GB 中仅剩 32.8 GB 可用","async","lazy","https:\u002F\u002Fassets.mangodisk.app\u002Fmedia\u002Farticles\u002Fwindows-11-c-drive\u002Fzh\u002F01-windows-c-drive-low-space.webp",[45,46,48],"h2",{"id":47},"c-盘为什么会突然满了","C 盘为什么会突然满了？",[11,50,51,52,55],{},"C 盘通常同时存放 Windows、已安装的软件、用户文件和应用运行数据。即使你没有主动把大文件保存在 ",[20,53,54],{},"C:"," 根目录，它也可能在日常使用中逐渐变满。",[11,57,58],{},"常见原因包括：",[60,61,62,66,69,72,75,78,81,84],"ul",{},[63,64,65],"li",{},"大型游戏和软件安装在 C 盘；",[63,67,68],{},"下载、桌面、文档中积累了视频、压缩包和安装包；",[63,70,71],{},"Windows 更新留下的文件和临时文件；",[63,73,74],{},"OneDrive 等网盘文件保留了本地副本；",[63,76,77],{},"浏览器缓存、剪辑工程、聊天软件文件等应用数据；",[63,79,80],{},"虚拟机、游戏库或开发工具被归入“其他”；",[63,82,83],{},"Windows 升级后暂时保留的旧系统文件；",[63,85,86],{},"某个应用或 Microsoft Store 进程异常，导致临时目录反复增长。",[11,88,89],{},"磁盘空间过低可能影响 Windows 更新和系统正常运行。清理的目标不是把每个分类都压到最小，而是在不破坏系统和应用的前提下，恢复足够的可用空间。",[45,91,93],{"id":92},"第一步先看-c-盘空间被谁占用了","第一步：先看 C 盘空间被谁占用了",[11,95,96,97,100],{},"打开 ",[15,98,99],{},"开始 → 设置 → 系统 → 存储","。Windows 会把已用空间分成“已安装的应用”“临时文件”“系统和保留”“文档”“其他”等类别。",[11,102,103,104,107],{},"如果前几个分类无法解释总用量，点开 ",[15,105,106],{},"显示更多类别","。注意，“系统和保留”很大并不代表它可以直接清理，其中可能包含 Windows 本身、保留存储、虚拟内存以及其他由系统管理的数据。",[11,109,110],{},"记下占用最大的两三个分类。这样可以避免花很长时间清理几百 MB 的缓存，却忽略了几十 GB 的游戏、视频或虚拟机文件。",[45,112,114],{"id":113},"第二步检查清理建议和临时文件","第二步：检查“清理建议”和临时文件",[11,116,117,118,121],{},"进入 ",[15,119,120],{},"设置 → 系统 → 存储 → 清理建议","。Windows 会列出临时文件、不常用的大文件、云端同步文件和很少使用的应用。",[11,123,124],{},"不要一次全部勾选，建议逐项确认：",[60,126,127,133,139,145,151,157],{},[63,128,129,132],{},[15,130,131],{},"回收站："," 确认没有误删文件后，通常可以清空；",[63,134,135,138],{},[15,136,137],{},"临时文件："," 很多可以删除，但仍要阅读每个选项；",[63,140,141,144],{},[15,142,143],{},"下载："," 里面往往是个人文件，不能当作普通缓存处理；",[63,146,147,150],{},[15,148,149],{},"以前的 Windows 安装："," 只有确定不需要回退旧版本时才删除；",[63,152,153,156],{},[15,154,155],{},"大型或未使用的文件："," 先核对文件名和路径；",[63,158,159,162],{},[15,160,161],{},"未使用的应用："," 通过 Windows 卸载，不要直接删安装目录。",[11,164,165,166,169],{},"删除“以前的 Windows 安装”会移除 ",[20,167,168],{},"Windows.old","。微软明确提醒，这个操作无法撤销，之后也不能再回退到之前的 Windows 版本。如果刚完成升级或电脑还不稳定，先保留它更稳妥。",[45,171,173],{"id":172},"第三步正确卸载大型应用和游戏","第三步：正确卸载大型应用和游戏",[11,175,96,176,179],{},[15,177,178],{},"设置 → 应用 → 已安装的应用","，按大小排序，检查不再使用的软件。大型游戏、创意工具、离线地图和同一工具的多个版本，通常比临时文件占用更多空间。",[11,181,182,183,186,187,30,190,193],{},"请使用应用旁边的 ",[15,184,185],{},"卸载"," 功能。不要为了腾空间直接删除 ",[20,188,189],{},"C:\\Program Files",[20,191,192],{},"C:\\Program Files (x86)"," 里的文件夹，否则可能留下服务、快捷方式、注册表和其他数据，同时让软件本身无法正常卸载。",[11,195,196],{},"部分游戏平台支持把游戏库移动到其他磁盘。如果电脑有第二块内置磁盘，使用平台自带的迁移功能比在文件资源管理器里手动拖动目录更安全。",[45,198,200],{"id":199},"第四步整理下载和个人文件","第四步：整理下载和个人文件",[11,202,203,204,207],{},"打开文件资源管理器，检查 ",[15,205,206],{},"下载、桌面、视频、文档"," 以及保存录屏或导出文件的目录。按大小排序，重点寻找：",[60,209,210,213,216,219,222,225],{},[63,211,212],{},"用完的安装包和 ZIP 压缩包；",[63,214,215],{},"重复导出的文件；",[63,217,218],{},"已完成的视频工程和录屏；",[63,220,221],{},"磁盘镜像和虚拟机文件；",[63,223,224],{},"游戏录制内容；",[63,226,227],{},"已经确认备份到其他位置的文件。",[11,229,230],{},"仍然需要的文件可以移动到其他磁盘或经过验证的备份中。不要因为文件很大，就删除个人资料的唯一副本。",[11,232,233,234,237],{},"如果使用 OneDrive，可以右键单击文件或文件夹并选择 ",[15,235,236],{},"释放空间","。这样会保留云端文件，把本地副本变为“仅联机”，下次打开时需要网络连接。必须离线使用的资料不要这样处理。",[45,239,241],{"id":240},"第五步设置存储感知但不要误删下载文件","第五步：设置“存储感知”，但不要误删下载文件",[11,243,244,245,248],{},"Windows 的 ",[15,246,247],{},"存储感知"," 可以自动清理不需要的临时文件，以及在回收站中保留超过指定时间的内容。微软说明，默认设置不会处理下载文件夹或云端内容，除非你主动配置这些选项。",[11,250,96,251,254],{},[15,252,253],{},"设置 → 系统 → 存储 → 存储感知","，依次确认：",[256,257,258,261,264,267],"ol",{},[63,259,260],{},"何时运行存储感知；",[63,262,263],{},"回收站文件保留多长时间；",[63,265,266],{},"是否允许自动清理下载文件夹；",[63,268,269],{},"多久未使用的云端文件可以变为“仅联机”。",[11,271,272],{},"如果你平时把下载文件夹当作长期存放目录，就保持自动清理关闭。存储感知主要管理系统盘（通常是 C 盘），其他磁盘仍需要单独检查。",[45,274,276],{"id":275},"windows-的分类解释不了空间时怎么办","Windows 的分类解释不了空间时怎么办？",[11,278,279],{},"“其他”分类经常把互不相关的目录放在一起。磁盘空间分析工具可以直接展示哪些路径最大，不必逐个文件夹打开查看。",[11,281,282],{},"在下图示例中，MangoDisk 扫描到 13 个顶层目录，共 159 GB。Users 目录占 108 GB，Program Files 占 21.0 GB，Windows 目录占 11.0 GB。结果表明应优先检查用户目录，但不代表可以删除 Windows 等系统目录。",[11,284,285],{},[38,286],{"alt":287,"decoding":41,"loading":42,"src":288},"英文版 MangoDisk 以文件夹列表和亮色矩形树图展示 Windows C 盘空间","https:\u002F\u002Fassets.mangodisk.app\u002Fmedia\u002Farticles\u002Fwindows-11-c-drive\u002Fzh\u002F02-mangodisk-disk-space-analysis.jpg",[11,290,291],{},[292,293,294],"em",{},"矩形树图可以让异常大的目录更明显，但“大”并不等于“可以删除”。",[11,296,297],{},"发现大目录后，先回答三个问题：",[256,299,300,303,306],{},[63,301,302],{},"它是由哪个应用或用户创建的？",[63,304,305],{},"它属于个人文件、可重新生成的缓存，还是系统必需组件？",[63,307,308],{},"对应应用内是否提供了清理、卸载或迁移功能？",[45,310,312],{"id":311},"c-盘里哪些内容能删哪些不能删","C 盘里哪些内容能删，哪些不能删？",[314,315,316,332],"table",{},[317,318,319],"thead",{},[320,321,322,326,329],"tr",{},[323,324,325],"th",{},"检查后通常可以处理",[323,327,328],{},"删除前必须确认影响",[323,330,331],{},"不要手动删除",[333,334,335,352,367,383,398],"tbody",{},[320,336,337,341,344],{},[338,339,340],"td",{},"确认不再需要的回收站内容",[338,342,343],{},"下载文件和个人资料",[338,345,346,348,349],{},[20,347,22],{}," 和 ",[20,350,351],{},"System32",[320,353,354,357,362],{},[338,355,356],{},"在设置中逐项确认的临时文件",[338,358,359,361],{},[20,360,168],{}," 和以前的系统安装",[338,363,364],{},[20,365,366],{},"C:\\Windows\\WinSxS",[320,368,369,372,375],{},[338,370,371],{},"自己认识的旧安装包和压缩包",[338,373,374],{},"网盘文件的本地副本",[338,376,377,348,379,382],{},[20,378,26],{},[20,380,381],{},"Program Files (x86)"," 目录",[320,384,385,388,391],{},[338,386,387],{},"通过 Windows 正常卸载的应用",[338,389,390],{},"大型应用数据、游戏库和虚拟机",[338,392,393,30,395,397],{},[20,394,29],{},[20,396,33],{}," 中不认识的目录",[320,399,400,403,406],{},[338,401,402],{},"已确认在其他位置有备份的文件",[338,404,405],{},"还原点和系统保护数据",[338,407,408,23,411,414],{},[20,409,410],{},"pagefile.sys",[20,412,413],{},"hiberfil.sys"," 等受保护文件",[11,416,417,418,421],{},"尤其不要手动清空 ",[20,419,420],{},"WinSxS","。微软警告，删除其中的文件可能严重损坏 Windows，导致电脑无法启动或不能更新。应让 Windows 自己维护该目录；只有在明确的高级维护场景中，才使用系统支持的工具。",[45,423,425],{"id":424},"为什么刚清理完c-盘又满了","为什么刚清理完，C 盘又满了？",[11,427,428],{},"如果可用空间很快又减少，不要机械地重复删除同一批文件，而要看看最近发生了什么：",[60,430,431,434,437,440,443,446],{},[63,432,433],{},"Windows 或大型应用正在下载更新；",[63,435,436],{},"浏览器、编辑器或游戏重新建立缓存；",[63,438,439],{},"OneDrive 正在下载标记为“始终保留在此设备上”的文件；",[63,441,442],{},"录屏、备份或聊天软件持续把数据写入 C 盘；",[63,444,445],{},"某个进程异常，导致临时目录不断增长；",[63,447,448],{},"被手动删除的数据又被应用重新生成。",[11,450,451],{},"重启后再次比较存储分类。如果同一个目录持续变大，应排查创建它的应用，而不是定期强行删除该目录。",[45,453,455],{"id":454},"需要更清楚的空间地图时可以使用-mangodisk","需要更清楚的空间地图时，可以使用 MangoDisk",[11,457,458,459,466],{},"如果 Windows 的分类仍然说不清空间去了哪里，",[460,461,465],"a",{"href":462,"rel":463},"https:\u002F\u002Fmangodisk.app\u002Fzh",[464],"nofollow","MangoDisk"," 可以在本地扫描 C 盘，用列表和矩形树图同时展示目录大小。你可以先检查路径和容量，再决定是否处理；磁盘扫描本身不会自动删除找到的大文件。",[11,468,469],{},[38,470],{"alt":471,"decoding":41,"loading":42,"src":472},"英文版 MangoDisk 深度清理显示可清理分类、文件大小、风险标记和手动选择","https:\u002F\u002Fassets.mangodisk.app\u002Fmedia\u002Farticles\u002Fwindows-11-c-drive\u002Fzh\u002F03-mangodisk-deep-cleanup.jpg",[11,474,475],{},[292,476,477],{},"深度清理会在删除前列出检测结果和预计可释放空间。不要把估算值当作必然结果；不认识的项目应先展开检查，再决定是否选中。",[11,479,480,481,485,486,490,491,495,496,500],{},"建议先使用",[460,482,484],{"href":483},"\u002Fzh\u002Fdocs\u002Ffeatures\u002Fdisk-analysis","磁盘空间分析","定位大目录，通过",[460,487,489],{"href":488},"\u002Fzh\u002Fdocs\u002Ffeatures\u002Flarge-files","大型文件","逐项检查，或使用",[460,492,494],{"href":493},"\u002Fzh\u002Fdocs\u002Ffeatures\u002Fdeep-clean","深度清理","查看缓存和其他清理项。磁盘分析和大型文件中的删除属于永久删除，请先阅读",[460,497,499],{"href":498},"\u002Fzh\u002Fdocs\u002Fsafety","MangoDisk 安全指南","，并为重要文件保留备份。",[45,502,503],{"id":503},"常见问题",[505,506,508],"h3",{"id":507},"windowsold-可以删除吗","Windows.old 可以删除吗？",[11,510,511],{},"如果确定不再需要回退到之前的 Windows 版本，可以删除。请通过“临时文件”或“清理建议”处理，不要在文件资源管理器中强行删除。删除后无法恢复回退功能。",[505,513,515],{"id":514},"winsxs-文件夹可以删除吗","WinSxS 文件夹可以删除吗？",[11,517,518,519,521],{},"不可以手动删除。Windows 使用 ",[20,520,366],{}," 进行系统维护、恢复和更新，应交给 Windows 内置机制管理。",[505,523,525],{"id":524},"存储感知安全吗","存储感知安全吗？",[11,527,528],{},"默认行为比较保守，但最终取决于你的配置。启用前，请检查回收站、下载文件夹和云端内容的保留时间。",[505,530,532],{"id":531},"c-盘应该保留多少可用空间","C 盘应该保留多少可用空间？",[11,534,535],{},"没有适合所有电脑的固定百分比。Windows 会根据磁盘容量和系统运行阈值判断空间不足。应为日常工作和后续更新留下余量，不要等到存储条变红才处理。",[505,537,539],{"id":538},"清理-c-盘一定会让电脑变快吗","清理 C 盘一定会让电脑变快吗？",[11,541,542],{},"如果空间过低已经影响更新、临时文件或正常运行，释放空间可能会有帮助。但它不是必然的性能升级，误删系统文件反而会降低稳定性。",[45,544,545],{"id":545},"官方资料与延伸阅读",[60,547,548,556,563,570,577,585],{},[63,549,550,551],{},"微软支持：",[460,552,555],{"href":553,"rel":554},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-US\u002FWindows\u002FExperience\u002FStorage-FileManagement\u002Ffree-up-drive-space-in-windows",[464],"在 Windows 中释放驱动器空间",[63,557,550,558],{},[460,559,562],{"href":560,"rel":561},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-us\u002Fwindows\u002Fexperience\u002Fstorage-filemanagement\u002Fstorage-settings-in-windows",[464],"Windows 中的存储设置",[63,564,550,565],{},[460,566,569],{"href":567,"rel":568},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-US\u002FWindows\u002FExperience\u002FStorage-FileManagement\u002Fmanage-drive-space-with-storage-sense",[464],"使用存储感知管理驱动器空间",[63,571,550,572],{},[460,573,576],{"href":574,"rel":575},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-us\u002Foffice\u002Fsave-disk-space-with-onedrive-files-on-demand-for-windows-0e6860d3-d9f3-4971-b321-7092438fb38e",[464],"使用 OneDrive 文件按需功能节省磁盘空间",[63,578,579,580],{},"Microsoft Learn：",[460,581,584],{"href":582,"rel":583},"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows-hardware\u002Fmanufacture\u002Fdesktop\u002Fclean-up-the-winsxs-folder?view=windows-11",[464],"清理 WinSxS 文件夹",[63,586,587,588],{},"延伸阅读：",[460,589,591],{"href":590},"\u002Fzh\u002Fblog\u002Fmac-system-data-too-large","Mac 系统数据过大？如何安全地减少占用",{"title":593,"searchDepth":594,"depth":594,"links":595},"",2,[596,597,598,599,600,601,602,603,604,605,606,614],{"id":47,"depth":594,"text":48},{"id":92,"depth":594,"text":93},{"id":113,"depth":594,"text":114},{"id":172,"depth":594,"text":173},{"id":199,"depth":594,"text":200},{"id":240,"depth":594,"text":241},{"id":275,"depth":594,"text":276},{"id":311,"depth":594,"text":312},{"id":424,"depth":594,"text":425},{"id":454,"depth":594,"text":455},{"id":503,"depth":594,"text":503,"children":607},[608,610,611,612,613],{"id":507,"depth":609,"text":508},3,{"id":514,"depth":609,"text":515},{"id":524,"depth":609,"text":525},{"id":531,"depth":609,"text":532},{"id":538,"depth":609,"text":539},{"id":545,"depth":594,"text":545},"Windows 存储","\u002Fimages\u002Fblog\u002Fwindows-11-c-drive-full.webp","检查即将占满的 Windows C 盘及磁盘空间矩形树图的插图","找出 Windows 11 C 盘被什么占满，安全清理临时文件、卸载不用的软件，并避开不能随意删除的系统文件",false,"md",{},true,"\u002Fzh\u002Fblog\u002Fwindows-11-c-drive-full","2026-08-18T00:00:00+08:00",{"title":5,"description":618},"zh\u002Fblog\u002Fwindows-11-c-drive-full",[628,629,630,631,247],"Windows 11 C 盘空间不足","C 盘满了怎么清理","C 盘释放空间","Windows 11 查找大文件","article-windows-11-c-drive-full","XPE4PYwSldN30wu3KYtdwzxoUEGGF1Dp87R34418vbM",1787210201457]