有用科技小编2026/08/06
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阅读9分钟电脑截图不用另外装软件，Windows 自带的快捷键和截图工具就够用。整屏截图按 PrtSc，只截当前窗口按 Alt+PrtSc，想截任意区域按 Win+Shift+S，要直接存成文件按 Win+PrtSc。按下面从简单到进阶的顺序挑一个顺手的，截完能马上粘贴或存文件。
适用系统：Windows 10/11；最后更新：2026-08-06。
电脑截图常用的几种方式
电脑截图说到底就是把屏幕上看到的画面抓下来存成图片。Windows 10 和 Windows 11 都自带了好几种截图方式，不用另外装软件。
区别在于抓多大范围、截完放哪里。有的直接进剪贴板要你自己粘贴，有的按一下就存成 PNG 文件，还有的能延时截图、截完直接标注。
简单说，整屏留档用 PrtSc 或 Win+PrtSc，只发一小块用 Win+Shift+S，要截会消失的菜单或截完做标注就用截图工具。
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先想清楚你要整屏还是局部、截完要不要留存，再照下面从简单到进阶挑一个用。
方法1 用 PrtSc 和 Alt+PrtSc 键盘截图
键盘截图最快，整屏按 PrtSc，只截当前窗口按 Alt+PrtSc，截完画面先进剪贴板等你粘贴。Alt+PrtSc 特别适合截报错窗口，只留下弹窗本身、不带旁边的桌面。
操作步骤
- 截整个屏幕，按一下键盘右上角的 PrtSc 键；有的笔记本要同时按 Fn+PrtSc 才生效。
- 只截当前窗口，先点一下那个窗口让它处于最前，再按 Alt+PrtSc。
- 打开画图（开始菜单搜 mspaint），或者微信、Word 的输入框，按 Ctrl+V 粘贴。
- 在画图里点文件、另存为，选 PNG 或 JPG 格式存到桌面就行。
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方法2 用 Win+Shift+S 截屏幕任意区域
想只截屏幕上的一块，或者圈个不规则范围，用 Win+Shift+S 最灵活，按下去屏幕会变暗让你拖框。四种模式里矩形最常用，窗口模式点一下就能把整个窗口边缘截干净。
操作步骤
- 同时按 Win+Shift+S，屏幕变暗，顶部中间会出现一条截图小工具条。
- 工具条从左到右是矩形、任意形状、窗口、全屏四种模式，先点一个。
- 按住鼠标左键拖出要截的范围，松手就截好了，图会进剪贴板。
- 右下角弹出的缩略图点开能进标注界面画重点，也可以直接 Ctrl+V 粘走。
用「软领Windows优化大师」更省事
截图截多了，图片会一张张攒在硬盘里占地方。软领是做了多年的国产系统工具品牌，清理和优化这类杂事交给它，比手动翻文件夹省心。
它的「大文件清理」功能，能按文件大小把电脑里占地方的大图片、大视频挑出来。截图和录屏攒多了就是这类大文件，勾中不要的一次清掉，很快就能空出地方。
「C盘瘦身」功能，专门清 C 盘里那些能安全清掉的占用。截图默认就存在 C 盘的图片文件夹，存久了会把系统盘塞得满满的，用它清一清 C 盘能松快不少。
软领官网 wyouhua.com 直接下载，安装界面干净、没有捆绑勾选项，遇到搞不定的还能在软件里点客服联系真人客服。
方法3 用 Win+PrtSc 直接存成图片文件
不想每次都粘贴再另存，按 Win+PrtSc 屏幕闪一下，就自动把整屏存成一张 PNG 文件了。
操作步骤
- 同时按 Win+PrtSc；不少笔记本要按 Win+Fn+PrtSc，屏幕暗一下再亮就是存好了。
- 打开文件资源管理器，进 此电脑、图片、屏幕截图 这个文件夹。
- 截图按 屏幕截图(1)、屏幕截图(2) 的样子自动编号排好，双击就能看。
- 这个文件夹的完整路径是 C:\Users\你的用户名\Pictures\Screenshots。
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方法4 用截图工具做延时截图和标注
要截下拉菜单、右键菜单这种一动就消失的画面，用截图工具的延时截图；截完还能当场画箭头标重点。
操作步骤
- 开始菜单搜 截图工具（英文版叫 Snipping Tool），点开它。
- 点 新建 旁边的延时下拉箭头，选 3 秒或者 10 秒。
- 趁这几秒把菜单点开、画面摆好，时间一到会自动截下来。
- 截完在截图工具里用画笔、荧光笔标注，点保存存成 PNG 或 JPG。
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常见问题
截图按了 PrtSc 没反应是怎么回事？
多数是笔记本键盘把 PrtSc 和别的功能共用了，要同时按 Fn+PrtSc；有的键盘上标的是 PrtScn 或 PrtSc SysRq。截完记得先粘到画图或聊天窗口确认截上了。
Win+Shift+S 截的图保存在哪里？
它默认只把图放进剪贴板，不自动存文件。要留存就点右下角弹出的缩略图，进标注界面点保存，或者先 Ctrl+V 粘到画图再另存。这个缩略图只停几秒，错过了就得重新截一次。
电脑截图默认存到哪个文件夹？
Win+PrtSc 存到 C:\Users\你的用户名\Pictures\Screenshots，也就是图片里的屏幕截图文件夹；截图工具保存时由你自己选路径。
想截下拉菜单，一按键盘菜单就没了怎么办？
用截图工具的延时截图，选 3 秒或 10 秒，趁延时把菜单点开摆好，时间一到它会自动截，菜单就不会跑掉。老版本的截图和草图也有同样的延时选项。
截图工具在哪里打开，找不到怎么办？
在开始菜单直接搜 截图工具，英文系统搜 Snipping Tool 就能找到；按 Win+Shift+S 也会调出同一套截图工具条。常用的话可以右键把它固定到任务栏，以后一点就开。
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