The operating system is the program that gets started first when you switch on your computer or server. All other applications depend on it for correct operation. Some examples of popular operating systems are Microsoft Windows, Mac OS and Linux.
HPE Microsoft Windows Server 2012 R2 Datacenter ROK en/nl/sv/pt/tr 2 license(s)

HPE Microsoft Windows Server 2012 R2 Datacenter ROK en/nl/sv/pt/tr 2 license(s)

Hewlett Packard Enterprise
£4,398.99
HPE 701600-421 operating system

HPE 701600-421 operating system

Hewlett Packard Enterprise
£5,208.99
HPE Windows Server 2012 64-bit - License, 50 Device CAL Client Access License (CAL) 1 year(s)

HPE Windows Server 2012 64-bit - License, 50 Device CAL Client Access License (CAL) 1 year(s)

Hewlett Packard Enterprise
£1,376.99
HPE Windows Server 2012 64-bit, 50 User CAL Client Access License (CAL) 50 license(s)

HPE Windows Server 2012 64-bit, 50 User CAL Client Access License (CAL) 50 license(s)

Hewlett Packard Enterprise
£1,831.99
HPE Microsoft Windows Server 2012 R2 Datacenter Edition FIO Not Pre-installed 1 license(s)

HPE Microsoft Windows Server 2012 R2 Datacenter Edition FIO Not Pre-installed 1 license(s)

Hewlett Packard Enterprise
£4,257.99
HPE Microsoft Windows Server 2025 16-core Standard Reseller Option Kit en/cs/pl/ru/sv SW

HPE Microsoft Windows Server 2025 16-core Standard Reseller Option Kit en/cs/pl/ru/sv SW

Hewlett Packard Enterprise
£912.99
HPE Microsoft Windows Server 2022 4-core DC Add Lic en/cs/de/es/fr/it/nl/pl/pt/ru/sv/ko/ja/xc SW

HPE Microsoft Windows Server 2022 4-core DC Add Lic en/cs/de/es/fr/it/nl/pl/pt/ru/sv/ko/ja/xc SW

Hewlett Packard Enterprise
£1,032.99
HPE Microsoft Windows Server 2022 16-core Datacenter w/Reassignment Reseller Option Kit en/fr/de/es SW

HPE Microsoft Windows Server 2022 16-core Datacenter w/Reassignment Reseller Option Kit en/fr/de/es SW

Hewlett Packard Enterprise
£6,054.99
HPE Microsoft Windows Server 2019 Datacenter Reseller Option Kit (ROK) 1 license(s)

HPE Microsoft Windows Server 2019 Datacenter Reseller Option Kit (ROK) 1 license(s)

Hewlett Packard Enterprise
£4,397.99
HPE P11063-B21 operating system 1 license(s)

HPE P11063-B21 operating system 1 license(s)

Hewlett Packard Enterprise
£4,751.99
HPE P11086-B21 operating system 1 license(s)

HPE P11086-B21 operating system 1 license(s)

Hewlett Packard Enterprise
£19.99
HPE Microsoft Windows Server 2019 1 license(s)

HPE Microsoft Windows Server 2019 1 license(s)

Hewlett Packard Enterprise
£6,654.99