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 49 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

Microsoft Windows 10 Home Eng

Operating System

$154.56

28
6/10
2 user reviews
1
RetailEnglish32/64-bit 
Microsoft Windows 10 Home Eng (64-bit OEM)

Microsoft Windows 10 Home Eng (64-bit OEM)

Operating System

$153.00

23
 2
OEMEnglish64-bit 
Microsoft Windows 10 Pro Eng

Microsoft Windows 10 Pro Eng

Operating System

$269.82

24
8/10
1 user review
3
RetailEnglish32/64-bit 
Microsoft Windows 10 Pro Eng (64-bit OEM)

Microsoft Windows 10 Pro Eng (64-bit OEM)

Operating System

$231.50

27
 4
OEMEnglish64-bit 
Microsoft Windows 8.1 Eng (64-bit OEM)

Microsoft Windows 8.1 Eng (64-bit OEM)

Operating System

* $132.83

12
 5
OEMEnglish64-bit 
Microsoft Windows 7 Professional SP1 Eng (64-bit OEM)

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

Operating System

* $225.00

25
7/10
1 user review
6
OEMEnglish64-bit 
Microsoft Windows Server 2016 Essentials Eng (64-bit OEM)

Microsoft Windows Server 2016 Essentials Eng (64-bit OEM)

Operating System

$590.82

8
 7
OEMEnglish64-bit 
Microsoft Windows 7 Professional Eng (64-bit OEM)

Microsoft Windows 7 Professional Eng (64-bit OEM)

Operating System

$246.00

15
8/10
1 user review
8
OEMEnglish64-bit 
Microsoft Windows Server 2012 R2 Standard 2 CPU Eng (64-bit OEM)

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

Operating System

$1,046.50

16
 9
OEMEnglish64-bit 
Microsoft Windows Server 2012 R2 Essentials 2 CPU Eng (64-bit)

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

Operating System

* $505.49

5
  10
AcademicEnglish64-bit 
Microsoft Windows 10 Pro MUI (ESD)

Microsoft Windows 10 Pro MUI (ESD)

Operating System

$265.65

4
 11
Electronic software distribution (ESD)MUI32/64-bit 
Microsoft Windows Server 2012 1 Device CAL Eng (OEM)

Microsoft Windows Server 2012 1 Device CAL Eng (OEM)

Operating System

$44.92

10
 12
OEMEnglish 
Microsoft Windows 10 Home MUI (ESD)

Microsoft Windows 10 Home MUI (ESD)

Operating System

$156.34

4
6/10
2 user reviews
13
Electronic software distribution (ESD)MUI32/64-bit 
Microsoft Windows Server 2016 Standard 16 Core Eng (64-bit OEM)

Microsoft Windows Server 2016 Standard 16 Core Eng (64-bit OEM)

Operating System

$1,115.01

12
 14
OEMEnglish64-bit 
Microsoft Windows 10 Home Eng (32-bit OEM)

Microsoft Windows 10 Home Eng (32-bit OEM)

Operating System

$166.64

3
 15
OEMEnglish32-bit 
Microsoft Windows 7 Home Premium Eng (32-bit OEM)

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

Operating System

$156.65

2
  16
OEMEnglish32-bit 
Microsoft Windows Server 2012 5 User CALs Eng (OEM)

Microsoft Windows Server 2012 5 User CALs Eng (OEM)

Operating System

$223.15

15
 17
OEMEnglish 
Microsoft Windows 8.1 Eng

Microsoft Windows 8.1 Eng

Operating System

$167.92

4
 6/10
1 user review
18
RetailEnglish32/64-bit 
Microsoft Windows 7 Ultimate Eng (Upgrade fr Home Premium)

Microsoft Windows 7 Ultimate Eng (Upgrade fr Home Premium)

Operating System

* $261.51

2
  19
UpgradeEnglish32/64-bit 
Microsoft Windows Server 2012 R2 Essentials 2 CPU Eng (64-bit OEM)

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

Operating System

$614.79

12
 20
OEMEnglish64-bit 
Microsoft Windows Server 2012 1 User CAL Eng (OEM)

Microsoft Windows Server 2012 1 User CAL Eng (OEM)

Operating System

$50.59

16
 21
OEMEnglish 
Microsoft Windows 7 Home Premium SP1 Eng (32-bit OEM)

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

Operating System

$169.63

1
  22
OEMEnglish32-bit 
Microsoft Windows 8.1 Pro Eng

Microsoft Windows 8.1 Pro Eng

Operating System

$276.68

8
  23
RetailEnglish32/64-bit 
Microsoft Windows Server 2012 R2 Standard 10 CALs Eng

Microsoft Windows Server 2012 R2 Standard 10 CALs Eng

Operating System

* $2,517.83

5
  24
RetailEnglish64-bit 
Microsoft Windows 7 Ultimate Eng

Microsoft Windows 7 Ultimate Eng

Operating System

$598.00

2
 6/10
2 user reviews
25
RetailEnglish32/64-bit 
Microsoft Windows Server 2012 R2 Datacenter 2 CPU Eng (64-bit OEM)

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

Operating System

$6,715.43

6
  26
OEMEnglish64-bit 
Microsoft Windows 8 Eng (64-bit OEM)

Microsoft Windows 8 Eng (64-bit OEM)

Operating System

$174.00

3
4/10
6 user reviews
27
OEMEnglish64-bit 
Microsoft Windows Server 2016 5 User CALs Eng (OEM)

Microsoft Windows Server 2016 5 User CALs Eng (OEM)

Operating System

$297.05

12
 28
OEMEnglish 
Microsoft Windows 8.1 Pro Eng (64-bit OEM)

Microsoft Windows 8.1 Pro Eng (64-bit OEM)

Operating System

* $224.25

7
7/10
2 user reviews
29
OEMEnglish64-bit 
Microsoft Windows 7 Ultimate SP1 Eng (64-bit OEM)

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

Operating System

* $312.28

1
  30
OEMEnglish64-bit 
Microsoft Windows Server 2016 Datacenter 16 Core Eng (64-bit OEM)

Microsoft Windows Server 2016 Datacenter 16 Core Eng (64-bit OEM)

Operating System

* $8,026.25

4
  31
OEMEnglish64-bit 
Microsoft Windows 7 Home Premium SP1 Eng (64-bit OEM)

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

Operating System

$173.94

1
 7/10
1 user review
32
OEMEnglish64-bit 
Microsoft Windows Server 2012 R2 Datacenter 4 CPU Eng (64-bit OEM)

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

Operating System

$13,391.98

6
  33
OEMEnglish64-bit 
Microsoft Windows 7 Professional Eng (32-bit OEM)

Microsoft Windows 7 Professional Eng (32-bit OEM)

Operating System

$246.00

9
7/10
2 user reviews
34
OEMEnglish32-bit 
Microsoft Windows 8.1 Eng (32-bit OEM)

Microsoft Windows 8.1 Eng (32-bit OEM)

Operating System

$153.42

4
  35
OEMEnglish32-bit 
Microsoft Windows 7 Home Premium Eng

Microsoft Windows 7 Home Premium Eng

Operating System

$370.13

3
  36
RetailEnglish32/64-bit 
Microsoft Windows 7 Professional SP1 Eng (32-bit OEM)

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

Operating System

$229.79

16
 37
OEMEnglish32-bit 
Microsoft Windows 8 Pro Eng (Upgrade)

Microsoft Windows 8 Pro Eng (Upgrade)

Operating System

$154.65

5
5/10
2 user reviews
38
UpgradeEnglish32/64-bit 
Microsoft Windows 8.1 Pro Pack Eng (Upgrade fr Standard)

Microsoft Windows 8.1 Pro Pack Eng (Upgrade fr Standard)

Operating System

* $172.43

3
  39
UpgradeEnglish32/64-bit 
Microsoft Windows SBS 2011 Standard 5 User CALs Eng (OEM)

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

Operating System

$409.86

4
  40
OEMEnglish64-bit 
Microsoft Windows Server 2012 5 User CALs Eng

Microsoft Windows Server 2012 5 User CALs Eng

Operating System

$378.00

5
  41
English 
Microsoft Windows Server 2012 Essentials Eng (OEM)

Microsoft Windows Server 2012 Essentials Eng (OEM)

Operating System

$624.85

6
  42
OEMEnglish64-bit 
Microsoft Windows Server 2012 5 Device CALs Eng

Microsoft Windows Server 2012 5 Device CALs Eng

Operating System

$173.05

5
  43
English 
Microsoft Windows Server 2012 R2 Standard 5 CALs Eng

Microsoft Windows Server 2012 R2 Standard 5 CALs Eng

Operating System

* $2,190.15

5
  44
RetailEnglish64-bit 
Microsoft Windows 10 Pro Eng (32-bit OEM)

Microsoft Windows 10 Pro Eng (32-bit OEM)

Operating System

* $239.09

5
 45
OEMEnglish32-bit 
Microsoft Windows Server 2008 R2 Standard SP1 5 CALs Eng (64-bit OEM)

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

Operating System

$1,172.48

1
  46
OEMEnglish64-bit 
Microsoft Windows 8 Pro Eng (64-bit OEM)

Microsoft Windows 8 Pro Eng (64-bit OEM)

Operating System

* $238.05

1
 4/10
4 user reviews
47
OEMEnglish64-bit 
Microsoft Windows Server 2012 20 User CALs Eng

Microsoft Windows Server 2012 20 User CALs Eng

Operating System

* $1,508.00

5
  48
English 
Microsoft Windows Server 2012 5 Device CALs Eng (OEM)

Microsoft Windows Server 2012 5 Device CALs Eng (OEM)

Operating System

$155.97

9
 49
OEMEnglish 
Microsoft Windows SBS 2011 Standard 1 User CAL Eng (OEM)

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

Operating System

$84.36

8
  50
OEMEnglish64-bit 
Microsoft Windows SBS 2011 Standard 5 Device CALs Eng (OEM)

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

Operating System

$407.10

2
  51
OEMEnglish64-bit 
Microsoft Windows SBS 2011 Standard 1 Device CAL Eng (OEM)

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

Operating System

$84.36

2
  52
OEMEnglish64-bit 
Microsoft Windows 8.1 Pro Eng (32-bit OEM)

Microsoft Windows 8.1 Pro Eng (32-bit OEM)

Operating System

$223.50

2
  53
OEMEnglish32-bit 
Microsoft Windows SBS 2011 Premium 1 Device CAL Eng (OEM)

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

Operating System

$105.09

2
  54
OEMEnglish64-bit 
Microsoft Windows 7 Home Premium Eng (Upgrade)

Microsoft Windows 7 Home Premium Eng (Upgrade)

Operating System

$231.73

1
  55
UpgradeEnglish32/64-bit 
Microsoft Windows Server 2012 R2 Standard 4 CPU Eng (64-bit OEM)

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

Operating System

* $2,046.57

7
  56
OEMEnglish64-bit 
Microsoft Windows 8 Pro Eng (32-bit OEM)

Microsoft Windows 8 Pro Eng (32-bit OEM)

Operating System

$227.47

1
  57
OEMEnglish32-bit 
Microsoft Windows 8 Pro Pack Eng (Upgrade fr Standard)

Microsoft Windows 8 Pro Pack Eng (Upgrade fr Standard)

Operating System

$146.59

2
  58
UpgradeEnglish32/64-bit 
Microsoft Windows Server 2012 Standard 2 CPU Eng (64-bit OEM ESD)

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

Operating System

$1,114.75

1
  59
OEMEnglish64-bit 
Microsoft Windows 7 Home Premium Eng (64-bit OEM)

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

Operating System

$158.13

2
 7/10
1 user review
60
OEMEnglish64-bit 
Microsoft Windows Server 2008 R2 Enterprise SP1 Eng (64-bit OEM)

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

Operating System

$3,492.78

1
  61
OEMEnglish64-bit 
Microsoft Windows 8 Eng (32-bit OEM)

Microsoft Windows 8 Eng (32-bit OEM)

Operating System

$172.50

1
  62
OEMEnglish32-bit 
Microsoft Windows SBS 2011 Premium 1 User CAL Eng (OEM)

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

Operating System

$105.09

2
  63
OEMEnglish64-bit 
Microsoft Windows Server 2012 Datacenter 2 Add. CPU Eng (OEM)

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

Operating System

$6,714.10

1
  64
OEMEnglish64-bit 
Microsoft Windows SBS 2011 Premium 5 User CALs Eng (OEM)

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

Operating System

$509.97

2
  65
OEMEnglish64-bit 
Microsoft Windows SBS 2011 Premium 5 Device CALs Eng (OEM)

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

Operating System

$509.97

2
  66
OEMEnglish64-bit 
Microsoft Windows Server 2012 Datacenter 2 CPU Eng (OEM)

Microsoft Windows Server 2012 Datacenter 2 CPU Eng (OEM)

Operating System

$6,714.10

1
  67
OEMEnglish64-bit 
Microsoft Windows Server 2012 Standard 2 Add. CPU Eng (OEM)

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

Operating System

$1,130.39

5
  68
OEMEnglish64-bit 
Microsoft Windows Server 2012 Standard 2 CPU Eng (OEM)

Microsoft Windows Server 2012 Standard 2 CPU Eng (OEM)

Operating System

$1,130.39

1
  69
OEMEnglish64-bit 
Microsoft Windows Server 2012 20 Device CALs Eng

Microsoft Windows Server 2012 20 Device CALs Eng

Operating System

* $1,313.00

5
  70
English 
Microsoft Windows 7 Ultimate Eng (Upgrade)

Microsoft Windows 7 Ultimate Eng (Upgrade)

Operating System

$483.35

1
 7/10
1 user review
71
UpgradeEnglish32/64-bit 
Microsoft Windows 7 Professional Eng

Microsoft Windows 7 Professional Eng

Operating System

$525.84

2
 8/10
1 user review
72
RetailEnglish32/64-bit 
Microsoft Windows 7 Professional Eng (Upgrade)

Microsoft Windows 7 Professional Eng (Upgrade)

Operating System

$388.70

1
  73
UpgradeEnglish32/64-bit 
Microsoft Windows 7 Home Premium Eng (Upgrade fr Starter)

Microsoft Windows 7 Home Premium Eng (Upgrade fr Starter)

Operating System

$105.69

1
 74
UpgradeEnglish32/64-bit 
Microsoft Windows Server 2008 Standard Eng (OEM)

Microsoft Windows Server 2008 Standard Eng (OEM)

Operating System

$1,584.45

1
  75
OEMEnglish32/64-bit 
Microsoft Windows Home Server Eng (OEM)

Microsoft Windows Home Server Eng (OEM)

Operating System

$255.55

1
 9/10
9 user reviews
76
OEMEnglish32-bit 
Microsoft Windows 7 Ultimate SP1 Eng (32-bit OEM)

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

Microsoft Windows Server 2008 5 User CALs Eng

Operating System

$346.87

4
 78
RetailEnglish32/64-bit 
Microsoft Windows Server 2016 1 Device CAL Eng (OEM)

Microsoft Windows Server 2016 1 Device CAL Eng (OEM)

Operating System

* $47.66

7
 79
OEMEnglish 
Microsoft Windows Server 2016 5 Device CALs Eng (OEM)

Microsoft Windows Server 2016 5 Device CALs Eng (OEM)

Operating System

$218.99

7
 80
OEMEnglish 
Microsoft Windows Server 2016 Standard 24 Core Eng (64-bit OEM)

Microsoft Windows Server 2016 Standard 24 Core Eng (64-bit OEM)

Operating System

* $1,775.03

7
 81
OEMEnglish64-bit 
Microsoft Windows Server 2016 1 User CAL Eng (OEM)

Microsoft Windows Server 2016 1 User CAL Eng (OEM)

Operating System

$62.19

11
 82
OEMEnglish 
Microsoft Windows Server 2016 Datacenter 24 Core Eng (64-bit OEM)

Microsoft Windows Server 2016 Datacenter 24 Core Eng (64-bit OEM)

Operating System

* $12,019.46

4
  83
OEMEnglish64-bit 
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