Operating Systems

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

$148.00

27
3/10
1 user review
1
RetailEnglish32/64-bit 

Microsoft Windows 10 Home Eng (64-bit OEM)

Operating System

$146.05

23
3/10
1 user review
2
OEMEnglish64-bit 

Microsoft Windows 10 Pro Eng (64-bit OEM)

Operating System

$220.80

26
3/10
1 user review
3
OEMEnglish64-bit 

Microsoft Windows 8.1 Eng (64-bit OEM)

Operating System

$129.00

23
 4
OEMEnglish64-bit 

Microsoft Windows 10 Pro Eng

Operating System

$269.82

24
3/10
1 user review
5
RetailEnglish32/64-bit 

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

Operating System

* $229.92

24
7/10
1 user review
6
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Eng (64-bit OEM)

Operating System

* $224.25

22
7/10
2 user reviews
7
OEMEnglish64-bit 

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

Operating System

$614.79

13
 8
OEMEnglish64-bit 

Microsoft Windows 8.1 Eng

Operating System

$167.91

7
7/10
1 user review
9
RetailEnglish32/64-bit 

Microsoft Windows 7 Professional Eng (64-bit OEM)

Operating System

$241.00

15
8/10
1 user review
10
OEMEnglish64-bit 

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

Operating System

$1,028.10

16
 11
OEMEnglish64-bit 

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

Operating System

$505.49

8
  12
AcademicEnglish64-bit 

Microsoft Windows 8 Pro Eng (Upgrade)

Operating System

* $154.65

5
5/10
2 user reviews
13
UpgradeEnglish32/64-bit 

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

Operating System

$109.00

3
 14
OEMEnglish32-bit 

Microsoft Windows 10 Home MUI (ESD)

Operating System

$156.34

5
5/10
2 user reviews
15
Electronic software distribution (ESD)MUI32/64-bit 

Microsoft Windows Server 2012 1 User CAL Eng (OEM)

Operating System

$50.03

16
 16
OEMEnglish 

Microsoft Windows Server 2012 Essentials Eng (OEM)

Operating System

$624.85

7
  17
OEMEnglish64-bit 

Microsoft Windows Server 2012 1 Device CAL Eng (OEM)

Operating System

$44.92

11
 18
OEMEnglish 

Microsoft Windows 10 Pro MUI (ESD)

Operating System

$265.65

5
3/10
1 user review
19
Electronic software distribution (ESD)MUI32/64-bit 

Microsoft Windows 7 Professional Eng (32-bit OEM)

Operating System

$235.75

10
7/10
2 user reviews
20
OEMEnglish32-bit 

Microsoft Windows 10 Home Eng (32-bit OEM)

Operating System

$164.22

3
 21
OEMEnglish32-bit 

Microsoft Windows Server 2012 5 User CALs Eng (OEM)

Operating System

$223.15

15
 22
OEMEnglish 

Microsoft Windows 10 Pro Eng (32-bit OEM)

Operating System

$217.35

9
 23
OEMEnglish32-bit 

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

Operating System

$2,190.15

7
  24
English64-bit 

Microsoft Windows Server 2012 5 Device CALs Eng

Operating System

$173.05

7
  25
English 

Microsoft Windows 8.1 Eng (32-bit OEM)

Operating System

$119.58

11
 26
OEMEnglish32-bit 

Microsoft Windows 7 Ultimate Eng

Operating System

$598.00

2
 6/10
2 user reviews
27
RetailEnglish32/64-bit 

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

Operating System

$409.86

11
  28
OEMEnglish64-bit 

Microsoft Windows 8 Eng (64-bit OEM)

Operating System

$170.00

3
4/10
6 user reviews
29
OEMEnglish64-bit 

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

Operating System

$124.20

2
  30
OEMEnglish64-bit 

Microsoft Windows 8 Pro Eng (64-bit OEM)

Operating System

$238.05

2
4/10
4 user reviews
31
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Eng

Operating System

$276.68

10
  32
RetailEnglish32/64-bit 

Microsoft Windows 8.1 Pro Pack Eng (Upgrade fr Standard)

Operating System

* $172.43

3
  33
UpgradeEnglish32/64-bit 

Microsoft Windows Server 2012 5 User CALs Eng

Operating System

$389.37

7
  34
English 

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

Operating System

$13,391.98

7
  35
OEMEnglish64-bit 

Microsoft Windows Server 2012 20 User CALs Eng

Operating System

$1,544.90

7
  36
English 

Microsoft Windows Server 2012 5 Device CALs Eng (OEM)

Operating System

$155.97

14
 37
OEMEnglish 

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

Operating System

$84.36

10
  38
OEMEnglish64-bit 

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

Operating System

$407.10

9
  39
OEMEnglish64-bit 

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

Operating System

$229.95

18
 40
OEMEnglish32-bit 

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

Operating System

$84.36

7
  41
OEMEnglish64-bit 

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

Operating System

$6,715.43

7
  42
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Eng (32-bit OEM)

Operating System

$223.50

9
  43
OEMEnglish32-bit 

Microsoft Windows 7 Home Premium Eng

Operating System

$370.13

3
  44
RetailEnglish32/64-bit 

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

Operating System

$105.09

7
  45
OEMEnglish64-bit 

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

Operating System

$2,517.83

8
  46
English64-bit 

Microsoft Windows 7 Home Premium Eng (Upgrade)

Operating System

$231.73

1
  47
UpgradeEnglish32/64-bit 

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

Operating System

$169.63

1
  48
OEMEnglish32-bit 

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

Operating System

$2,042.62

8
  49
OEMEnglish64-bit 

Microsoft Windows 8 Pro Eng (32-bit OEM)

Operating System

$227.47

1
  50
OEMEnglish32-bit 

Microsoft Windows 8 Pro Pack Eng (Upgrade fr Standard)

Operating System

$158.64

1
  51
UpgradeEnglish32/64-bit 

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

Operating System

$1,114.75

1
  52
OEMEnglish64-bit 

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

Operating System

$158.13

2
 7/10
1 user review
53
OEMEnglish64-bit 

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

Operating System

$3,492.78

1
  54
OEMEnglish64-bit 

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

Operating System

* $173.94

1
 7/10
1 user review
55
OEMEnglish64-bit 

Microsoft Windows 8 Eng (32-bit OEM)

Operating System

$172.50

1
  56
OEMEnglish32-bit 

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

Operating System

$105.09

9
  57
OEMEnglish64-bit 

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

Operating System

$6,714.10

2
  58
OEMEnglish64-bit 

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

Operating System

$509.97

9
  59
OEMEnglish64-bit 

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

Operating System

$509.97

7
  60
OEMEnglish64-bit 

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

Operating System

* $312.28

1
  61
OEMEnglish64-bit 

Microsoft Windows Server 2012 Datacenter 2 CPU Eng (OEM)

Operating System

$6,714.10

2
  62
OEMEnglish64-bit 

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

Operating System

$1,115.00

6
  63
OEMEnglish64-bit 

Microsoft Windows Server 2012 Standard 2 CPU Eng (OEM)

Operating System

$1,130.39

1
  64
OEMEnglish64-bit 

Microsoft Windows Server 2012 20 Device CALs Eng

Operating System

$1,348.28

7
  65
English 

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 Home Premium Eng (Upgrade fr Starter)

Operating System

$105.69

1
 70
UpgradeEnglish32/64-bit 

Microsoft Windows Server 2008 Standard Eng (OEM)

Operating System

$1,584.45

1
  71
OEMEnglish32/64-bit 

Microsoft Windows Home Server Eng (OEM)

Operating System

$255.55

1
 9/10
9 user reviews
72
OEMEnglish32-bit 

Microsoft Windows 8.1 Pro Pack MUI (Upgrade fr Standard)

Operating System

$169.00

1
  73
UpgradeMUI 

Microsoft Windows 8.1 Pro Eng (Student ESD)

Operating System

$89.99

1
  74
English 

Microsoft Windows 8.1 Eng (ESD)

Operating System

$199.00

1
  75
Electronic software distribution (ESD)English 

Microsoft Windows 8.1 Pro Eng (ESD)

Operating System

$349.00

1
  76
Electronic software distribution (ESD)English 

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

Operating System

$298.02

1
  77
OEMEnglish32-bit 

Microsoft Windows Server 2008 5 User CALs Eng

Operating System

$346.00

5
 78
RetailEnglish32/64-bit 
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