English
全部
搜索
图片
视频
短视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
清除筛选条件
安全搜索:
中等
严格
中等（默认）
关闭
筛选器
购买 operating systems 2021
广告
$189.99
Microsoft Windows Server 2022 - 5 User Client Access License (CAL)
TrustedTech
Free shipping
$189.99
Microsoft Windows Server 2022 - 5 User Client Access License (CAL)
TrustedTech
$10.99
$32.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - License Key For 1PC
Kymakers
折扣 65%
$10.99
$32.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - License Key For 1PC
Kymakers
$9.99
$23.99
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License For 1 PC
Flixeasy
折扣 58%
$9.99
$23.99
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License For 1 PC
Flixeasy
$16.99
$69.99
Microsoft Windows 10 Professional + Office 2021 Professional Plus - Bundle
Kymakers
折扣 75%
$16.99
$69.99
Microsoft Windows 10 Professional + Office 2021 Professional Plus - Bundle
Kymakers
$18.50
$36.99
Microsoft Windows 11 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
404
折扣 49%
$18.50
$36.99
Microsoft Windows 11 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
$9.99
$45.00
Microsoft Windows 10 Enterprise LTSC 2021 - License Key For 1PC
Kymakers
折扣 77%
$9.99
$45.00
Microsoft Windows 10 Enterprise LTSC 2021 - License Key For 1PC
Kymakers
$9.95
$34.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key
Officegsm
折扣 70%
$9.95
$34.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key
Officegsm
$11.99
$28.98
Windows 10 Enterprise LTSC 2021 - Lifetime License Key For 1 PC
Getdigimarket
折扣 58%
$11.99
$28.98
Windows 10 Enterprise LTSC 2021 - Lifetime License Key For 1 PC
Getdigimarket
$8.99
$28.00
Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key (1 PC)
Getdigimarket
折扣 67%
$8.99
$28.00
Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key (1 PC)
Getdigimarket
$17.99
$29.50
Microsoft Windows 10 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
折扣 39%
$17.99
$29.50
Microsoft Windows 10 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
$23.19
Windows 10 Iot Enterprise 2021 LTSC Cd Key Microsoft Global By Gamers Outlet Cd Keys
Gamers Outlet
Free shipping
$23.19
Windows 10 Iot Enterprise 2021 LTSC Cd Key Microsoft Global By Gamers Outlet Cd Keys
Gamers Outlet
$10.95
$36.00
Microsoft Windows 10 Enterprise LTSC 2021 - Lifetime License
Officegsm
折扣 69%
$10.95
$36.00
Microsoft Windows 10 Enterprise LTSC 2021 - Lifetime License
Officegsm
$16.99
$40.00
Microsoft Windows 11 Professional + Office 2021 Professional Plus- Lifetime License For 1 PC
Vaneyo
404
折扣 57%
$16.99
$40.00
Microsoft Windows 11 Professional + Office 2021 Professional Plus- Lifetime License For 1 PC
Vaneyo
$12.99
$54.00
Upgrade From Windows 11 Home To Windows 11 Pro License Key
Officegsm
折扣 75%
$12.99
$54.00
Upgrade From Windows 11 Home To Windows 11 Pro License Key
Officegsm
$24.02
$264.36
Windows 10 Professional + MS Office Professional Plus 2021 Microsoft CD Key
K4G
折扣 90%
$24.02
$264.36
Windows 10 Professional + MS Office Professional Plus 2021 Microsoft CD Key
K4G
$20.98
$199.98
Windows 11 Professional Retail Key & Microsoft Office Professional Plus 2021 Bundle Offer
ElectronicFirst.com
Free shipping
折扣 89%
$20.98
$199.98
Windows 11 Professional Retail Key & Microsoft Office Professional Plus 2021 Bundle Offer
ElectronicFirst.com
$5.21
Microsoft Windows Server Datacenter 2022 Cd Key Global By Gamers Outlet Cd Keys
Gamers Outlet
Free shipping
$5.21
Microsoft Windows Server Datacenter 2022 Cd Key Global By Gamers Outlet Cd Keys
Gamers Outlet
$56.00
$158.00
Microsoft Windows Server 2022 License Operating System - P73-08328
eBay
Free shipping
折扣 64%
$56.00
$158.00
Microsoft Windows Server 2022 License Operating System - P73-08328
eBay
$9.50
$34.00
Windows Server 2022 Standard - Lifetime Genuine License
Officegsm
折扣 72%
$9.50
$34.00
Windows Server 2022 Standard - Lifetime Genuine License
Officegsm
$21.99
Windows 11 Home
MyDigital Mart
$21.99
Windows 11 Home
MyDigital Mart
$11.99
$22.99
Windows 11 Pro Upgrade From Windows 11 Home - Lifetime License
Vaneyo
973
折扣 47%
$11.99
$22.99
Windows 11 Pro Upgrade From Windows 11 Home - Lifetime License
Vaneyo
$11.20
$14.00
Windows 11 Home - Product Key - Lifetime Activation - Digital Download In Azure | Windows 11 Lifetime Professional Or Home
Groupon
Free shipping
折扣 20%
$11.20
$14.00
Windows 11 Home - Product Key - Lifetime Activation - Digital Download In Azure | Windows 11 Lifetime Professional Or Home
Groupon
$9.99
$34.99
Microsoft Windows 11 Professional - Lifetime License For 1 PC
Flixeasy
449
折扣 71%
$9.99
$34.99
Microsoft Windows 11 Professional - Lifetime License For 1 PC
Flixeasy
$8.80
$11.00
Windows 11 Pro - Product Key - Lifetime Activation - Digital Download In Rust | Windows 11 Pro, Home, Or Enterprise - Lifetime Activation - Digital Download
Groupon
537
Free shipping
折扣 19%
$8.80
$11.00
Windows 11 Pro - Product Key - Lifetime Activation - Digital Download In Rust | Windows 11 Pro, Home, Or Enterprise - Lifetime Activation - Digital Download
Groupon
$123.99
$139.00
Microsoft Windows 11 Home - License - 1 License
Wamatek
折扣 10%
$123.99
$139.00
Microsoft Windows 11 Home - License - 1 License
Wamatek
$22.99
Upgarde Windows 11 Home To Pro
MyDigital Mart
$22.99
Upgarde Windows 11 Home To Pro
MyDigital Mart
$99.99
Windows 11 Pro - Lifetime License
The Software City
$99.99
Windows 11 Pro - Lifetime License
The Software City
$20.99
$59.00
Microsoft Windows 11 Pro For 5 Pcs - Lifetime License
Officegsm
折扣 64%
$20.99
$59.00
Microsoft Windows 11 Pro For 5 Pcs - Lifetime License
Officegsm
$22.99
Windows 11 Pro
MyDigital Mart
$22.99
Windows 11 Pro
MyDigital Mart
$14.99
$42.00
Microsoft Office 2021 Professional Plus - Lifetime License
Officegsm
折扣 64%
$14.99
$42.00
Microsoft Office 2021 Professional Plus - Lifetime License
Officegsm
$10.99
$34.00
Microsoft Windows 11 Home 32/64 Bit - Lifetime License Key
Officegsm
折扣 67%
$10.99
$34.00
Microsoft Windows 11 Home 32/64 Bit - Lifetime License Key
Officegsm
$21.99
Windows 10 Home
MyDigital Mart
$21.99
Windows 10 Home
MyDigital Mart
$21.00
Windows 11 Home
Webshophub
$21.00
Windows 11 Home
Webshophub
$10.99
$32.00
Microsoft Windows 11 Pro N - Lifetime License Key
Officegsm
折扣 65%
$10.99
$32.00
Microsoft Windows 11 Pro N - Lifetime License Key
Officegsm
$22.99
Windows 10 Pro
MyDigital Mart
$22.99
Windows 10 Pro
MyDigital Mart
$11.99
$22.00
Microsoft Windows 11 Home 32/64 Bit - Lifetime License
Vaneyo
2 千+
折扣 45%
$11.99
$22.00
Microsoft Windows 11 Home 32/64 Bit - Lifetime License
Vaneyo
4:27
Most Popular Operating Systems 2009 - 2021 (All Devices)
已浏览 30.7万 次
2021年4月8日
YouTube
Captain Gizmo
53:56
Basics | Operating Systems Full Course | Lec 1 | GATE CSE/IT 202
…
已浏览 4.1万 次
2020年10月14日
YouTube
Unacademy Computer Science
13:17
Evolution Of Windows Operating System (1985 - 2021)
已浏览 345.1万 次
2021年2月9日
YouTube
Evolution Era
14:03
Watch Windows Evolution! (1986 - 2021 supercut)
已浏览 7.8万 次
2021年6月25日
YouTube
CNET Highlights
1:07:28
Deadlock - 1 | Operating Systems Full Course | Lec 12 | GATE CSE/I
…
已浏览 5013 次
2020年10月29日
YouTube
Unacademy Computer Science
21:00
Top 6 POWERFUL Best Linux Distros 2021 | HIGH Performance
…
已浏览 14.9万 次
2021年5月20日
YouTube
Ksk Royal
14:06
Evolution of Microsoft Windows 1985 - 2021
已浏览 591 次
2021年7月28日
YouTube
PPM Graphics
5:58
在视频中查找 00:36
History of Mobile Operating Systems
Top 5 Mobile Operating Systems in 2021 | Most Popular Mobile OS in
…
已浏览 3027 次
2021年6月26日
YouTube
iRekha Tech Solutions
4:47
Windows 21 - 2021/The Next generation of Microsoft Windows
…
已浏览 3348 次
2020年11月21日
YouTube
sl creation
11:56
Evolution of Windows
已浏览 128.1万 次
2021年6月25日
YouTube
Magnify
1:13:10
CPU Scheduling - 1 | Operating Systems Full Course | Lec 3 | GAT
…
已浏览 8731 次
2020年10月18日
YouTube
Unacademy Computer Science
在视频中查找 04:03
Summary of Recommended Linux Operating Systems
Best Linux Server distro 2021 - Best Server OS 2021 and beyond
已浏览 4948 次
2021年8月10日
YouTube
Ricky Wahowa
1:31
Computer Basics: Understanding Operating Systems
已浏览 166.8万 次
2020年9月1日
YouTube
LearnFree
3:40
Microsoft Windows 10 Setup Race: 21H1 vs 21H2
已浏览 2万 次
2021年11月17日
YouTube
Blue Exposure
20:54
在视频中查找 03:44
Overview of Operating Systems
Operating Systems Lecture 0: Introduction and Syllabus
已浏览 2.7万 次
2021年3月12日
YouTube
Ghassan Shobaki Computer Science Lectures
22:23
Short Questions All Units Operating System | 2021-22 & 2022-23 Soluti
…
已浏览 3896 次
2024年8月22日
YouTube
Multi Atoms Plus
15:33:08
Complete Operating Systems in 1 Shot (With Notes) || For Placemen
…
已浏览 172.9万 次
2023年5月30日
YouTube
CodeHelp - by Babbar
7:26
Introduction To Operating System | OS Functions , Features And Types
已浏览 6.3万 次
2023年2月20日
YouTube
Learn Computer Science
3:17:33
Introduction || Chapter 1 || Operating System Concepts || Silberchatz, G
…
已浏览 2.9万 次
2022年12月6日
YouTube
Learning On The Go
1:20
New Mercedes Operating System MB.OS Overview
已浏览 6486 次
2025年2月22日
YouTube
DPCcars
Operating System Fundamentals | NPTEL | Week 1 Assignment 1 Sol
…
已浏览 3532 次
2021年7月26日
YouTube
SaiTechiez
Windows 11 available on October 5
2021年8月31日
windows.com
1:42:31
在视频中查找 01:46
Important Topics in Operating System
Operating System Exam Special Marathon | UGC NET PYQs on Op
…
已浏览 3.1万 次
2023年6月14日
YouTube
Unify Study
12:57
Wayne OS - New Chrome OS For PC (Lightweight OS)
已浏览 12.8万 次
2021年3月12日
YouTube
kilObit
11:34
在视频中查找 00:27
Functions of an Operating System
Introduction to RTOS Part 1 - What is a Real-Time Operating System (
…
已浏览 110万 次
2021年1月4日
YouTube
DigiKey
4:30
Top 5 Best Android OS 😍
已浏览 6.1万 次
2023年10月31日
YouTube
Technical Sky
11:41
Best operating system for Servers in 2024
已浏览 8万 次
2024年6月26日
YouTube
VirtualizationHowto
2:16
在视频中查找 01:24
Which Operating System is Right for You?
The Ultimate Guide to Operating Systems: Windows, macOS, and L
…
已浏览 851 次
2023年10月13日
YouTube
Mohamed Hafidh Tz
4:51
Operating System Concepts | Chapter 1 | Introduction of Operati
…
已浏览 5269 次
2021年10月12日
YouTube
Educational and Media Collection
1:26
Introduction to Operating Systems | NPTEL | Week 1 Assignment 1 Sol
…
已浏览 3442 次
2021年7月14日
YouTube
SaiTechiez
观看更多视频
更多类似内容
购买 operating systems 2021
广告
$189.99
Microsoft Windows Server 2022 - 5 User Client Access License (CAL)
TrustedTech
Free shipping
$189.99
Microsoft Windows Server 2022 - 5 User Client Access License (CAL)
TrustedTech
$10.99
$32.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - License Key For 1PC
Kymakers
折扣 65%
$10.99
$32.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - License Key For 1PC
Kymakers
$9.99
$23.99
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License For 1 PC
Flixeasy
折扣 58%
$9.99
$23.99
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License For 1 PC
Flixeasy
$16.99
$69.99
Microsoft Windows 10 Professional + Office 2021 Professional Plus - Bundle
Kymakers
折扣 75%
$16.99
$69.99
Microsoft Windows 10 Professional + Office 2021 Professional Plus - Bundle
Kymakers
$18.50
$36.99
Microsoft Windows 11 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
404
折扣 49%
$18.50
$36.99
Microsoft Windows 11 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
$9.99
$45.00
Microsoft Windows 10 Enterprise LTSC 2021 - License Key For 1PC
Kymakers
折扣 77%
$9.99
$45.00
Microsoft Windows 10 Enterprise LTSC 2021 - License Key For 1PC
Kymakers
$9.95
$34.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key
Officegsm
折扣 70%
$9.95
$34.00
Microsoft Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key
Officegsm
$11.99
$28.98
Windows 10 Enterprise LTSC 2021 - Lifetime License Key For 1 PC
Getdigimarket
折扣 58%
$11.99
$28.98
Windows 10 Enterprise LTSC 2021 - Lifetime License Key For 1 PC
Getdigimarket
$8.99
$28.00
Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key (1 PC)
Getdigimarket
折扣 67%
$8.99
$28.00
Windows 10 Iot Enterprise LTSC 2021 - Lifetime License Key (1 PC)
Getdigimarket
$17.99
$29.50
Microsoft Windows 10 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
折扣 39%
$17.99
$29.50
Microsoft Windows 10 Pro + Microsoft Office 2021 Professional Plus Lifetime Bundle
Flixeasy
$23.19
Windows 10 Iot Enterprise 2021 LTSC Cd Key Microsoft Global By Gamers Outlet Cd Keys
Gamers Outlet
Free shipping
$23.19
Windows 10 Iot Enterprise 2021 LTSC Cd Key Microsoft Global By Gamers Outlet Cd Keys
Gamers Outlet
$10.95
$36.00
Microsoft Windows 10 Enterprise LTSC 2021 - Lifetime License
Officegsm
折扣 69%
$10.95
$36.00
Microsoft Windows 10 Enterprise LTSC 2021 - Lifetime License
Officegsm
$16.99
$40.00
Microsoft Windows 11 Professional + Office 2021 Professional Plus- Lifetime License For 1 PC
Vaneyo
404
折扣 57%
$16.99
$40.00
Microsoft Windows 11 Professional + Office 2021 Professional Plus- Lifetime License For 1 PC
Vaneyo
$12.99
$54.00
Upgrade From Windows 11 Home To Windows 11 Pro License Key
Officegsm
折扣 75%
$12.99
$54.00
Upgrade From Windows 11 Home To Windows 11 Pro License Key
Officegsm
$24.02
$264.36
Windows 10 Professional + MS Office Professional Plus 2021 Microsoft CD Key
K4G
折扣 90%
$24.02
$264.36
Windows 10 Professional + MS Office Professional Plus 2021 Microsoft CD Key
K4G
$20.98
$199.98
Windows 11 Professional Retail Key & Microsoft Office Professional Plus 2021 Bundle Offer
ElectronicFirst.com
Free shipping
折扣 89%
$20.98
$199.98
Windows 11 Professional Retail Key & Microsoft Office Professional Plus 2021 Bundle Offer
ElectronicFirst.com
$5.21
Microsoft Windows Server Datacenter 2022 Cd Key Global By Gamers Outlet Cd Keys
Gamers Outlet
Free shipping
$5.21
Microsoft Windows Server Datacenter 2022 Cd Key Global By Gamers Outlet Cd Keys
Gamers Outlet
$56.00
$158.00
Microsoft Windows Server 2022 License Operating System - P73-08328
eBay
Free shipping
折扣 64%
$56.00
$158.00
Microsoft Windows Server 2022 License Operating System - P73-08328
eBay
反馈
