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 56 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

$154.85

27
 1
RetailEnglish32/64-bit 

Microsoft Windows 10 Home Eng (64-bit OEM)

Operating System

$159.39

26
 2
OEMEnglish64-bit 

Microsoft Windows 8.1 Eng (64-bit OEM)

Operating System

$137.57

33
 3
OEMEnglish64-bit 

Microsoft Windows 10 Pro Eng (64-bit OEM)

Operating System

$243.92

29
 4
OEMEnglish64-bit 

Microsoft Windows 7 Professional Eng (64-bit OEM)

Operating System

$235.00

18
8/10
1 user review
5
OEMEnglish64-bit 

Microsoft Windows 10 Pro Eng

Operating System

$269.82

24
 6
RetailEnglish32/64-bit 

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

Operating System

$1,046.32

18
 7
OEMEnglish64-bit 

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

Operating System

$156.65

3
 8
OEMEnglish32-bit 

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

Operating System

* $231.69

28
7/10
1 user review
9
OEMEnglish64-bit 

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

Operating System

$630.94

17
 10
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Eng (64-bit OEM)

Operating System

* $224.25

29
7/10
2 user reviews
11
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Pack Eng (Upgrade fr Standard)

Operating System

$150.54

3
  12
UpgradeEnglish32/64-bit 

Microsoft Windows 10 Home Eng (32-bit OEM)

Operating System

$175.09

6
 13
OEMEnglish32-bit 

Microsoft Windows Server 2012 5 Device CALs Eng (OEM)

Operating System

$20.24

15
 14
OEMEnglish 

Microsoft Windows 7 Ultimate Eng (64-bit OEM)

Operating System

$298.71

2
8/10
2 user reviews
15
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Eng

Operating System

$276.68

17
 16
RetailEnglish32/64-bit 

Microsoft Windows 7 Professional Eng (32-bit OEM)

Operating System

$236.22

11
7/10
2 user reviews
17
OEMEnglish32-bit 

Microsoft Windows 8.1 Eng (32-bit OEM)

Operating System

$165.08

19
 18
OEMEnglish32-bit 

Microsoft Windows 8 Eng (64-bit OEM)

Operating System

$155.00

6
4/10
6 user reviews
19
OEMEnglish64-bit 

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

Operating System

$505.49

10
  20
AcademicEnglish64-bit 

Microsoft Windows Server 2012 1 Device CAL Eng (OEM)

Operating System

$46.10

13
 21
OEMEnglish 

Microsoft Windows Server 2012 1 User CAL Eng (OEM)

Operating System

$52.03

20
 22
OEMEnglish 

Microsoft Windows 10 Home MUI (ESD)

Operating System

$156.36

4
 23
Electronic software distribution (ESD)MUI32/64-bit 

Microsoft Windows 10 Pro MUI (ESD)

Operating System

$265.65

4
  24
Electronic software distribution (ESD)MUI32/64-bit 

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

Operating System

$13,391.98

9
  25
OEMEnglish64-bit 

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

Operating System

$108.16

8
  26
OEMEnglish64-bit 

Microsoft Windows 7 Home Premium Eng

Operating System

$370.13

3
  27
RetailEnglish32/64-bit 

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

Operating System

$231.69

22
 28
OEMEnglish32-bit 

Microsoft Windows 10 Pro Eng (32-bit OEM)

Operating System

$219.36

18
 29
OEMEnglish32-bit 

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

Operating System

$2,561.62

10
  30
English64-bit 

Microsoft Windows Server 2012 5 User CALs Eng

Operating System

$389.37

8
  31
English 

Microsoft Windows 7 Home Premium Eng (Upgrade)

Operating System

$231.73

1
  32
UpgradeEnglish32/64-bit 

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

Operating System

$169.63

2
  33
OEMEnglish32-bit 

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

Operating System

$2,222.35

9
 34
English64-bit 

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

Operating System

$6,715.43

9
  35
OEMEnglish64-bit 

Microsoft Windows 8.1 Eng

Operating System

$177.10

4
7/10
1 user review
36
RetailEnglish32/64-bit 

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

Operating System

$2,066.31

11
  37
OEMEnglish64-bit 

Microsoft Windows Server 2012 5 User CALs Eng (OEM)

Operating System

$244.32

18
 38
OEMEnglish 

Microsoft Windows 8 Pro Eng (32-bit OEM)

Operating System

$205.85

3
  39
OEMEnglish32-bit 

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

Operating System

$422.38

19
 40
OEMEnglish64-bit 

Microsoft Windows 8 Pro Pack Eng (Upgrade fr Standard)

Operating System

$135.70

2
  41
UpgradeEnglish32/64-bit 

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

Operating System

$86.53

12
  42
OEMEnglish64-bit 

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

Operating System

$1,114.75

1
  43
OEMEnglish64-bit 

Microsoft Windows 8 Pro Eng (64-bit OEM)

Operating System

* $238.05

5
4/10
4 user reviews
44
OEMEnglish64-bit 

Microsoft Windows 8.1 Pro Eng (32-bit OEM)

Operating System

$223.50

11
  45
OEMEnglish32-bit 

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

Operating System

$155.00

3
 7/10
1 user review
46
OEMEnglish64-bit 

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

Operating System

$3,492.78

1
  47
OEMEnglish64-bit 

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

Operating System

* $173.94

1
 7/10
1 user review
48
OEMEnglish64-bit 

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

Operating System

$120.14

9
 49
OEMEnglish64-bit 

Microsoft Windows 8 Eng (32-bit OEM)

Operating System

$155.00

2
  50
OEMEnglish32-bit 

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

Operating System

$114.99

10
  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

9
  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

10
  55
OEMEnglish64-bit 

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

Operating System

$509.97

8
  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

$185.25

8
  60
English 

Microsoft Windows Server 2012 20 User CALs Eng

Operating System

$1,556.33

8
  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

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

Microsoft Windows Server 2012 20 Device CALs Eng

Operating System

$1,353.68

8
  64
English 

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

Operating System

$407.10

10
  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

$365.11

1
 81
RetailEnglish32/64-bit 
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