The operating system can be described as a set of software responsible for managing a computer's hardware. The most common are Windows and Mac OS. Prices from 52 stores in this category.
List List Images Order by:
Product Lowest price User rating Rank Type of license Language CPU support

Microsoft Windows 10 Home Eng

Operating System

$154.95

25
 1
RetailEnglish32/64-bit 

Microsoft Windows 10 Home Eng (64-bit OEM)

Operating System

$159.07

25
 2
OEMEnglish64-bit 

Microsoft Windows 8.1 Eng (64-bit OEM)

Operating System

$135.72

28
 3
OEMEnglish64-bit 

Microsoft Windows 10 Pro Eng (64-bit OEM)

Operating System

$238.95

27
 4
OEMEnglish64-bit 

Microsoft Windows 7 Professional Eng (64-bit OEM)

Operating System

$235.00

17
8/10
1 user review
5
OEMEnglish64-bit 

Microsoft Windows 10 Pro Eng

Operating System

$269.82

23
 6
RetailEnglish32/64-bit 

Microsoft Windows 7 Home Premium Eng (32-bit OEM)

Operating System

$156.65

3
 7
OEMEnglish32-bit 

Microsoft Windows 10 Home MUI (ESD)

Operating System

$156.36

4
8/10
1 user review
8
Electronic software distribution (ESD)MUI32/64-bit 

Microsoft Windows Server 2012 R2 Standard 2 CPU Eng (64-bit OEM)

Operating System

$1,045.52

19
 9
OEMEnglish64-bit 

Microsoft Windows 7 Professional SP1 Eng (64-bit OEM)

Operating System

* $231.64

26
7/10
1 user review
10
OEMEnglish64-bit 

Microsoft Windows Server 2012 R2 Essentials 2 CPU Eng (64-bit)

Operating System

$505.49

8
  11
AcademicEnglish64-bit 

Microsoft Windows 8 Eng (64-bit OEM)

Operating System

$169.00

4
4/10
6 user reviews
12
OEMEnglish64-bit 

Microsoft Windows Server 2008 R2 Standard SP1 5 CALs Eng (64-bit OEM)

Operating System

$120.29

3
 13
OEMEnglish64-bit 

Microsoft Windows 7 Professional Eng (32-bit OEM)

Operating System

$236.22

11
7/10
2 user reviews
14
OEMEnglish32-bit 

Microsoft Windows 8.1 Pro Eng

Operating System

$276.68

12
  15
RetailEnglish32/64-bit 

Microsoft Windows 10 Pro MUI (ESD)

Operating System

$265.65

4
  16
Electronic software distribution (ESD)MUI32/64-bit 

Microsoft Windows 7 Professional SP1 Eng (32-bit OEM)

Operating System

$231.64

22
 17
OEMEnglish32-bit 

Microsoft Windows SBS 2011 Standard 5 User CALs Eng (OEM)

Operating System

$422.38

13
 18
OEMEnglish64-bit 

Microsoft Windows Server 2012 R2 Datacenter 2 CPU Eng (64-bit OEM)

Operating System

$6,715.43

8
  19
OEMEnglish64-bit 

Microsoft Windows Server 2012 R2 Datacenter 4 CPU Eng (64-bit OEM)

Operating System

$13,391.98

8
  20
OEMEnglish64-bit 

Microsoft Windows Server 2012 5 Device CALs Eng (OEM)

Operating System

$19.32

15
 21
OEMEnglish 

Microsoft Windows 10 Home Eng (32-bit OEM)

Operating System

$179.95

1
 22
OEMEnglish32-bit 

Microsoft Windows 10 Pro Eng (32-bit OEM)

Operating System

* $251.16

11
 23
OEMEnglish32-bit 

Microsoft Windows 8.1 Pro Eng (32-bit OEM)

Operating System

$223.50

9
  24
OEMEnglish32-bit 

Microsoft Windows 8.1 Eng (32-bit OEM)

Operating System

$165.08

18
 25
OEMEnglish32-bit 

Microsoft Windows 7 Home Premium Eng

Operating System

$370.13

3
  26
RetailEnglish32/64-bit 

Microsoft Windows Server 2012 1 User CAL Eng (OEM)

Operating System

$50.59

18
 27
OEMEnglish 

Microsoft Windows Server 2012 1 Device CAL Eng (OEM)

Operating System

$45.97

15
 28
OEMEnglish 

Microsoft Windows 8.1 Pro Eng (64-bit OEM)

Operating System

* $224.25

25
7/10
2 user reviews
29
OEMEnglish64-bit 

Microsoft Windows Server 2012 R2 Essentials 2 CPU Eng (64-bit OEM)

Operating System

$631.30

15
 30
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Pack Eng (Upgrade fr Standard)

Operating System

* $172.43

2
  31
UpgradeEnglish32/64-bit 

Microsoft Windows SBS 2011 Premium 1 Device CAL Eng (OEM)

Operating System

$108.16

7
  32
OEMEnglish64-bit 

Microsoft Windows 7 Ultimate Eng (64-bit OEM)

Operating System

$298.71

2
8/10
2 user reviews
33
OEMEnglish64-bit 

Microsoft Windows Server 2012 Standard 10 CALs Eng (64-bit)

Operating System

$2,561.62

8
  34
English64-bit 

Microsoft Windows Server 2012 5 User CALs Eng

Operating System

$389.37

7
  35
English 

Microsoft Windows 7 Home Premium Eng (Upgrade)

Operating System

$231.73

1
  36
UpgradeEnglish32/64-bit 

Microsoft Windows 7 Home Premium SP1 Eng (32-bit OEM)

Operating System

$169.63

2
  37
OEMEnglish32-bit 

Microsoft Windows Server 2012 R2 Standard 5 CALs Eng (64-bit)

Operating System

* $2,222.35

9
  38
English64-bit 

Microsoft Windows 8.1 Eng

Operating System

$179.00

2
 7/10
1 user review
39
RetailEnglish32/64-bit 

Microsoft Windows Server 2012 R2 Standard 4 CPU Eng (64-bit OEM)

Operating System

$2,042.62

9
  40
OEMEnglish64-bit 

Microsoft Windows Server 2012 5 User CALs Eng (OEM)

Operating System

$244.32

18
 41
OEMEnglish 

Microsoft Windows 8 Pro Eng (32-bit OEM)

Operating System

$227.47

1
  42
OEMEnglish32-bit 

Microsoft Windows 8 Pro Pack Eng (Upgrade fr Standard)

Operating System

$158.64

1
  43
UpgradeEnglish32/64-bit 

Microsoft Windows SBS 2011 Standard 1 User CAL Eng (OEM)

Operating System

$86.53

10
  44
OEMEnglish64-bit 

Microsoft Windows Server 2012 Standard 2 CPU Eng (64-bit OEM ESD)

Operating System

$1,114.75

1
  45
OEMEnglish64-bit 

Microsoft Windows 8 Pro Eng (64-bit OEM)

Operating System

$238.05

2
4/10
4 user reviews
46
OEMEnglish64-bit 

Microsoft Windows 7 Home Premium Eng (64-bit OEM)

Operating System

$155.00

3
 7/10
1 user review
47
OEMEnglish64-bit 

Microsoft Windows Server 2008 R2 Enterprise SP1 Eng (64-bit OEM)

Operating System

$3,492.78

1
  48
OEMEnglish64-bit 

Microsoft Windows 7 Home Premium SP1 Eng (64-bit OEM)

Operating System

* $173.94

1
 7/10
1 user review
49
OEMEnglish64-bit 

Microsoft Windows 8 Eng (32-bit OEM)

Operating System

$172.50

1
  50
OEMEnglish32-bit 

Microsoft Windows SBS 2011 Premium 1 User CAL Eng (OEM)

Operating System

$114.99

9
  51
OEMEnglish64-bit 

Microsoft Windows Server 2012 Datacenter 2 Add. CPU Eng (OEM)

Operating System

$6,714.10

2
  52
OEMEnglish64-bit 

Microsoft Windows SBS 2011 Standard 1 Device CAL Eng (OEM)

Operating System

$86.53

7
  53
OEMEnglish64-bit 

Microsoft Windows Server 2012 Essentials Eng (OEM)

Operating System

$624.85

6
  54
OEMEnglish64-bit 

Microsoft Windows SBS 2011 Premium 5 User CALs Eng (OEM)

Operating System

$509.97

9
  55
OEMEnglish64-bit 

Microsoft Windows SBS 2011 Premium 5 Device CALs Eng (OEM)

Operating System

$509.97

7
  56
OEMEnglish64-bit 

Microsoft Windows 7 Ultimate SP1 Eng (64-bit OEM)

Operating System

* $312.28

1
  57
OEMEnglish64-bit 

Microsoft Windows Server 2012 Datacenter 2 CPU Eng (OEM)

Operating System

$6,714.10

2
  58
OEMEnglish64-bit 

Microsoft Windows Server 2012 Standard 2 Add. CPU Eng (OEM)

Operating System

* $1,130.39

5
  59
OEMEnglish64-bit 

Microsoft Windows Server 2012 5 Device CALs Eng

Operating System

$338.13

7
  60
English 

Microsoft Windows Server 2012 20 User CALs Eng

Operating System

$1,556.33

7
  61
English 

Microsoft Windows Server 2012 Standard 2 CPU Eng (OEM)

Operating System

$1,130.39

1
  62
OEMEnglish64-bit 

Microsoft Windows 8 Pro Eng (Upgrade)

Operating System

* $154.65

4
5/10
2 user reviews
63
UpgradeEnglish32/64-bit 

Microsoft Windows Server 2012 20 Device CALs Eng

Operating System

$1,353.68

7
  64
English 

Microsoft Windows SBS 2011 Standard 5 Device CALs Eng (OEM)

Operating System

$407.10

9
  65
OEMEnglish64-bit 

Microsoft Windows 7 Ultimate Eng (Upgrade)

Operating System

$483.35

1
 7/10
1 user review
66
UpgradeEnglish32/64-bit 

Microsoft Windows 7 Ultimate Eng (Upgrade fr Home Premium)

Operating System

* $261.51

2
  67
UpgradeEnglish32/64-bit 

Microsoft Windows 7 Professional Eng

Operating System

$525.84

2
 8/10
1 user review
68
RetailEnglish32/64-bit 

Microsoft Windows 7 Professional Eng (Upgrade)

Operating System

$388.70

1
  69
UpgradeEnglish32/64-bit 

Microsoft Windows 7 Ultimate Eng

Operating System

$598.00

2
 6/10
2 user reviews
70
RetailEnglish32/64-bit 

Microsoft Windows 7 Home Premium Eng (Upgrade fr Starter)

Operating System

$105.69

1
 71
UpgradeEnglish32/64-bit 

Microsoft Windows Server 2008 Standard Eng (OEM)

Operating System

$1,584.45

1
  72
OEMEnglish32/64-bit 

Microsoft Windows Home Server Eng (OEM)

Operating System

$255.55

1
 9/10
9 user reviews
73
OEMEnglish32-bit 

Microsoft Windows Server 2003 Standard x64 Eng (OEM)

Operating System

$1,615.11

1
  74
OEMEnglish64-bit 

Microsoft Windows SBS 2003 R2 Standard SP2 Eng (OEM)

Operating System

$1,052.89

1
  75
OEMEnglish32-bit 

Microsoft Windows 8.1 Pro Pack MUI (Upgrade fr Standard)

Operating System

$169.00

1
  76
UpgradeMUI 

Microsoft Windows 8.1 Pro Eng (Student ESD)

Operating System

$89.99

1
  77
English 

Microsoft Windows 8.1 Eng (ESD)

Operating System

$199.00

1
  78
Electronic software distribution (ESD)English 

Microsoft Windows 8.1 Pro Eng (ESD)

Operating System

$349.00

1
  79
Electronic software distribution (ESD)English 

Microsoft Windows 7 Ultimate SP1 Eng (32-bit OEM)

Operating System

$298.02

1
  80
OEMEnglish32-bit 

Microsoft Windows Server 2008 5 User CALs Eng

Operating System

$341.00

3
 81
RetailEnglish32/64-bit 
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