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  2. VirtualBox - Wikipedia

    en.wikipedia.org/wiki/VirtualBox

    Windows 10 64-bit and higher. Support for 64-bit Windows was added with VirtualBox 1.5. Support for 32-bit Windows was removed in 6.0. Support for Windows 2000 was removed in version 1.6. [76] [77] Support for Windows XP was removed in version 5.0. [78] [79] Support for Windows Vista was removed in version 5.2. Support for Windows 7 (64-bit ...

  3. ReactOS - Wikipedia

    en.wikipedia.org/wiki/ReactOS

    ReactOS is a free and open-source operating system for i586/amd64 personal computers intended to be binary-compatible with computer programs and device drivers developed for Windows Server 2003 and later versions of Microsoft Windows. [7] [8] ReactOS has been noted as a potential open-source drop-in replacement for Windows [9] [10] [11] and for ...

  4. VMware ESXi - Wikipedia

    en.wikipedia.org/wiki/VMware_ESXi

    VMware ESXi (formerly ESX) is an enterprise-class, type-1 hypervisor developed by VMware, a subsidiary of Broadcom, for deploying and serving virtual computers.As a type-1 hypervisor, ESXi is not a software application that is installed on an operating system (OS); instead, it includes and integrates vital OS components, such as a kernel.

  5. OpenVMS - Wikipedia

    en.wikipedia.org/wiki/OpenVMS

    This was done to ensure backwards compatibility with software written for the 32-bit VAX. 64-bit addressing was first added for Alpha in the V7.0 release. [59] In order to allow 64-bit code to interoperate with older 32-bit code, OpenVMS does not create a distinction between 32-bit and 64-bit executables, but instead allows for both 32-bit and ...

  6. UEFI - Wikipedia

    en.wikipedia.org/wiki/UEFI

    UEFI requires the firmware and operating system loader (or kernel) to be size-matched; that is, a 64-bit UEFI firmware implementation can load only a 64-bit operating system (OS) boot loader or kernel (unless the CSM-based legacy boot is used) and the same applies to 32-bit.

  7. Trusted Platform Module - Wikipedia

    en.wikipedia.org/wiki/Trusted_Platform_Module

    Windows 8 and later have native support for TPM 2.0. Windows 7 can install an official patch to add TPM 2.0 support. [93] Windows Vista through Windows 10 have native support for TPM 1.2. The Trusted Platform Module 2.0 (TPM 2.0) has been supported by the Linux kernel since version 3.20 (2012) [94] [95] [96]