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想在 Windows 上用 Google，先按用途选工具：跨电脑与网页搜索用 Google app for desktop；调用 AI 助手用独立的 Gemini for Windows；把云端文件同步到文件资源管理器用 Google Drive for desktop；Google Essentials 则是在部分电脑上发现 Google 服务的入口，并非搜索或 AI 应用。
先选适合你的 Google Windows 工具
| 工具 | 主要用途 | Windows 要求 | 可用性与订阅 | 是否同步本地文件 |
|---|---|---|---|---|
| Google app for desktop | 搜索网页、电脑文件、已安装应用和 Google Drive 文件；使用 Lens 与屏幕共享 | Windows 10 或更新版本（Google） | Google 于 2026 年 4 月 14 日宣布以英语全球提供；AI Mode 对部分账号、国家和语言不可用。Google 公告 | 不是文件同步客户端；可搜索 Drive 文件 |
| Gemini for Windows | AI 助手，可协助当前工作、概括 Gmail 或 Drive 内容，并创建图像或视频 | Windows 10 或 11（Google） | Google 于 2026 年 9 月 10 日宣布全球推出；部分功能需要 Google AI 订阅，功能可用性因情况而异，公告脚注注明适用年龄为 18 岁以上。Google 公告 | 不是文件同步客户端 |
| Google Drive for desktop | 在 Windows 文件资源管理器中访问并同步 Google Drive 文件 | Google 所引安装说明未在此处列出具体 Windows 版本要求。Google 安装说明 | 依赖 Google Drive；所引说明未列出国家、语言或订阅限制 | 是，可选择串流或镜像文件 |
| Google Essentials | 在符合条件的电脑上发现 Google 服务，例如 Docs、Drive 和 Calendar | Google 2024 年公告仅说明面向 HP 消费级和游戏电脑推出，未证实当前适用于所有 PC | 所引公告未列出普遍可用性或订阅条件。Google 公告 | 否；它是服务发现入口 |
如何打开和使用 Google app for desktop
Google app for desktop 是桌面搜索启动器，不是 Gemini，也不是 Drive 同步程序。在支持的 Windows 电脑上按 Alt + Space 即可打开搜索框。Google 的说明是：“Press Alt + Space on your keyboard to access the Google app for desktop at any time.”（随时按 Alt + Space 访问桌面版 Google 应用。）
搜索网页、电脑内容和 Drive 文件
在搜索框输入查询，可查找网页、电脑文件、已安装的应用以及 Google Drive 文件。它适合快速定位内容并继续当前工作；Google 将该应用描述为帮助用户找到所需内容后迅速返回原有工作。要使用 Drive 搜索，需能访问相应的 Google Drive 文件。
用 Lens 选择屏幕内容
需要对屏幕上看到的内容进行查询时，可在应用中使用 Lens 并选择屏幕区域。Lens 让你针对选中的内容发起搜索；它不是文件同步功能。
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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsSpecial offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
#1 Best Overall
Sale
LAPGEAR Home Office Pro Lap Desk - Black Carbon, Fits 15.6” Laptops
- Spacious Design: Measuring 21.1" wide and 14.1" deep, our lap desk comfortably fits most laptops up to 15.6". Extra room for accessories ensures convenience.
- Enhanced Functionality: Packed with handy features, including a 5x9" precision tracking mouse pad and a built-in phone slot for seamless work or video calls. Plus, enjoy ergonomic support with the integrated cushioned wrist rest.
- Cool Comfort: Enjoy a stable surface with our lap desk's dual bolster cushion, designed for comfort and airflow, keeping your lap cool during extended use.
- Durable Surface: Work with confidence on our lap desk's solid surface, featuring a sleek black carbon color, ensuring optimal air circulation to prevent your laptop from overheating.
- On-the-Go Convenience: With an integrated handle and lightweight design (2.8 lbs), our lap desk is portable for travel or moving around the house, offering flexibility in any space.
使用屏幕共享和 AI Mode
应用包含屏幕共享功能，适合围绕当前屏幕内容继续操作。AI Mode 的可用性并非对所有人一致：Google 表示部分账号、国家和语言暂不可用。桌面应用以英语全球推出的公告，不代表 AI Mode 在所有地区或语言都已开放。
如何安装 Google Drive for desktop
- 下载 Google Drive for desktop 的 Windows 安装程序 GoogleDriveSetup.exe，并运行它。
- 按照安装程序提示完成设置。
- 在 Windows 通知区域打开 Drive for desktop 应用。
- 在文件资源管理器中找到 Google Drive 位置，访问云端文件和文件夹。
Google Docs、Sheets、Slides 和 Forms 文件会在浏览器中打开；其他文件则在电脑上相应的本地应用中打开。具体安装说明见 Google Drive for desktop 帮助页面。
Rank #2
Sale
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
选择串流还是镜像 Drive 文件
Drive for desktop 提供串流和镜像两种方式，让你按本地存储需求管理文件。两者都涉及电脑与云端之间的同步：在一处编辑、移动或删除内容，变更会反映到另一处。因此，同步不是单向归档，也不应被当作独立备份保证。
- 串流：按需访问云端 Drive 文件，适合希望控制电脑本地存储占用的场景。
- 镜像：将文件和文件夹镜像到电脑，适合希望在本地保留副本的场景。
Google 的说明确认这两种模式可用于管理本地存储，但未提供中立的速度或可靠性对比。选择时应以所需的本地文件可用性和存储安排为准，并谨慎处理删除和移动操作。
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Rank #3
Sale
Yilador Webcam Cover 3 Pack, 0.03 inch Ultra Thin Laptop Camera Cover Slide
- Note: Not suitable for MacBooks released after 2023 or devices with a protruding front camera; Not applicable to full-screen or notch-style tempered glass screen protectors; Do not use on the rear camera of the phone.
- 💻 Why Do You Need a Webcam Cover Slide? — Safeguard your privacy by covering your webcam with our reliable webcam cover when not in use. Don't let anyone secretly watch you. Stay protected!
- ✅ Thin & Stylish — Enhance your laptop's functionality and aesthetics with our 0.027" ultra-thin webcam covers. Seamlessly close your laptop while adding a touch of sophistication.
- ✅ Fits Most Devices — Compatible with laptops, phones, tablets, desktops! Keep your privacy intact on Ap/ple, Mac/Book, iPh/one, iP/ad, H/P, L/novo, De/ll, Ac/er, As/us, Sa/msung devices.
- ✅ 365 Days Protection — Our upgraded 3.0 adhesive ensures a strong hold that won't damage your equipment. Experience reliable, long-term privacy protection day in and day out.
Gemini for Windows 是独立应用
Gemini for Windows 与 Google app for desktop 是两个不同的应用。Google 于 2026 年 9 月 10 日宣布 Gemini app 面向 Windows 10 和 11 全球推出；按 Alt + Space 可打开 Gemini。Google 描述的用途包括针对当前工作提供帮助、从 Gmail 或 Drive 内容生成摘要，以及创建图像或视频。详细介绍见 Google 的 Gemini for Windows 公告。
公告指出，部分功能需要 Google AI 订阅，功能可用性会因情况而异，且脚注注明适用年龄为 18 岁以上。不要把这些 AI 功能与桌面搜索框或 Drive 文件同步混为一谈。
Rank #4
Sale
AboveTEK Portable Laptop Lap Desk w/Retractable Left/Right Mouse Pad Tray, Non-Slip Heat Shield Tablet Notebook Computer Stand Table w/Sturdy Stable Work Surface for Bed Sofa Couch or Travel
- Anti-Slip Surface - Transform your laptop into a mobile workstation with the AboveTEK portable laptop lap desk. The anti-slip surface provides a strong grip for laptops up to 15.6 inches(Diagonal), while the double rubber strip on the bottom ensures a stable display or typing experience on your lap, couch, or bed.
- Retractable Mouse Pad - Retractable laptop mouse pad extends on both directions for the left/right handed with elevation along the edges for stopping mouse from falling off. The size of laptop tray is 14" X 9.7" and the size of mouse pad is 7.4" X 6.1".
- Effective Heat Shield - The effective heat shield made of sturdy and thick material protects your laptop from overheating. Prioritizes your comfort and safety, an ideal lap pad or board for working anywhere.
- EASY to Carry and Store - With an ergonomic and simplistic design, the lap desk is portable to store in a backpack. Only 15" in size, 2.2 lb of weight and with slim 0.6 inch thickness, it is ready to be easily carried around.
- Widely Applicable - The smooth platform accommodates laptops and tablets up to 15.6 inches(Diagonal), making it a versatile accessory and one of the best gifts for mom, dad, students and professionals. Perfect for use as a laptop bed tray or tablet holder anywhere at home, library, or park.
Google Essentials 是什么，不是什么
Google Essentials 是服务发现应用。Google 在 2024 年 8 月 22 日的公告中介绍，它面向 HP 消费级和游戏电脑，提供 Docs、Drive、Calendar 等 Google 服务入口；用户可以卸载 Essentials，也可以卸载其中的单项服务。该公告说明的是当时宣布的 HP 范围，不能据此断定它目前已预装或适用于所有 Windows 电脑。它既不是 Google app for desktop，也不是 Gemini。
Quick Recap
Best Value
Sale
LAPGEAR Home Office Lap Desk – Pink, Fits 15.6” Laptops
- Spacious Design: Measuring 21.1" wide and 12" deep, our lap desk comfortably fits most laptops up to 15.6". Extra room for accessories ensures convenience.
- Enhanced Functionality: Packed with handy features, including a 5x9" precision tracking mouse pad and a built-in phone slot for seamless work or video calls. Plus, enjoy laptop support with the integrated device ledge.
- Cool Comfort: Enjoy a stable surface with our lap desk's dual bolster cushion, designed for comfort and airflow, keeping your lap cool during extended use.
- Durable Surface: Work with confidence on our lap desk's solid surface, featuring a blush pink color, ensuring optimal air circulation to prevent your laptop from overheating.
- On-the-Go Convenience: With an integrated handle and lightweight design (2.14 lbs), our lap desk is portable for travel or moving around the house, offering flexibility in any space.
安装或选择前的检查清单
- 要搜索网页和 Windows 内容：选择 Google app for desktop，并确认电脑运行 Windows 10 或更新版本。
- 要 AI 助手：选择 Gemini for Windows；确认系统为 Windows 10 或 11，并留意订阅、地区及年龄条件。
- 要在文件资源管理器中处理 Drive 文件：安装 Drive for desktop，先决定串流或镜像方式。
- 要判断 AI Mode 是否可用：以你的账号、国家和语言实际开放情况为准。
- 看到 Google Essentials：把它视为服务发现入口；其适用设备范围不能仅凭 2024 年 HP 公告推定为所有 PC。
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