close
search
search
menu
Topics
close
I want to...
Get started with computers
Learn Microsoft Office
Apply for a job
Improve my work skills
Design nice-looking docs
More...
Microsoft Office
Word
Excel
PowerPoint
Access
More...
Computers
Getting Started
Smartphones & Tablets
Typing Tutorial
Windows
Online Learning
More...
The Internet
Basic Internet Skills
Online Safety
Social Media
Zoom Basics
Email
More...
Google
Gmail
Google Docs
Google Sheets
More...
The Job Search
Career Planning
Resume Writing
Cover Letters
Job Search and Networking
Business Communication
Entrepreneurship 101
Careers without College
Job Hunt for Today
More...
Skills for Today
3D Printing
Freelancing 101
Personal Finance
Sharing Economy
Decision-Making
More...
Creativity & Design
Graphic Design
Creativity
Photography
Image Editing
Photoshop
Learning WordPress
More...
Core Skills
Math
Reading
Science
Grammar
Language Learning
Critical Thinking
More...
For Educators
Translations
Staff Picks
All Topics
English
expand_more
expand_less
English
expand_more
expand_less
Español
Português
search
person_outline
arrow_drop_down
menu
All Topics
My Account
About Us
FAQ
Contact Us
EN
ES
PT
Signin
Signup
Dashboard
Profile
Logout
search
5c5b280894f38a1834d7727c
介绍
1
因特网安全介绍 (Introduction)
arrow_forward_ios
✓
保持在线安全
2
建立强密码 (Strong Passwords)
arrow_forward_ios
✓
3
浏览器的安全功能 (Browser's Security Features)
arrow_forward_ios
✓
4
避免垃圾邮件和钓鱼网站 (Spam and Phishing)
arrow_forward_ios
✓
5
如何避免恶意软件 (Malware)
arrow_forward_ios
✓
6
安全网上购物 (Safe Online Shopping)
arrow_forward_ios
✓
保护你的在线隐私
7
了解浏览器跟踪 (Browser Tracking)
arrow_forward_ios
✓
8
社交媒体隐私基础 (Social Media Privacy)
arrow_forward_ios
✓
额外
9
如果你的电脑感染了病毒该怎么办 (Virus)
arrow_forward_ios
✓
10
安装和更新浏览器插件 (Browser Plug-ins)
arrow_forward_ios
✓
11
我必须提供我的电话号码吗?使用电话确认 (Phone Verification)
arrow_forward_ios
✓
12
Wi-Fi安全
arrow_forward_ios
✓
13
我还应该使用Adobe Flash播放器吗?
arrow_forward_ios
✓
These tutorials might interest you
View more
expand_more
View less
expand_less