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  2. How to upgrade from 32-bit to 64-bit version of Windows 10 - AOL

    www.aol.com/news/upgrade-32-bit-64-bit-212659036...

    After you complete the steps, the setup will install the 64-bit version of Windows 10. Once the installation completes, you will have to continue with the on-screen directions to finish the out-of ...

  3. Virtual address space - Wikipedia

    en.wikipedia.org/wiki/Virtual_address_space

    In computing, a virtual address space (VAS) or address space is the set of ranges of virtual addresses that an operating system makes available to a process. [1] The range of virtual addresses usually starts at a low address and can extend to the highest address allowed by the computer's instruction set architecture and supported by the operating system's pointer size implementation, which can ...

  4. Windows on Windows - Wikipedia

    en.wikipedia.org/wiki/Windows_on_Windows

    In computing, Windows on Windows (commonly referred to as WOW) [1] [2] [3] is a discontinued compatibility layer of 32-bit versions of the Windows NT family of operating systems since 1993 with the release of Windows NT 3.1, which extends NTVDM to provide limited support for running legacy 16-bit programs written for Windows 3.x or earlier.

  5. 3 GB barrier - Wikipedia

    en.wikipedia.org/wiki/3_GB_barrier

    Many 32-bit computers have 32 physical address bits and are thus limited to 4 GiB (2 32 words) of memory. [3] [4] x86 processors prior to the Pentium Pro have 32 or fewer physical address bits; however, most x86 processors since the Pentium Pro, which was first sold in 1995, have the Physical Address Extension (PAE) mechanism, [5]: 445 which allows addressing up to 64 GiB (2 36 words) of memory.

  6. Valaciclovir - Wikipedia

    en.wikipedia.org/wiki/Valaciclovir

    Valaciclovir, also spelled valacyclovir, is an antiviral medication used to treat outbreaks of herpes simplex or herpes zoster (shingles). [2] It is also used to prevent cytomegalovirus following a kidney transplant in high risk cases. [ 2 ]

  7. 64-bit computing - Wikipedia

    en.wikipedia.org/wiki/64-bit_computing

    This allowed those Macs to support 64-bit processes while still supporting 32-bit device drivers; although not 64-bit drivers and performance advantages that can come with them. Mac OS X 10.7 "Lion" ran with a 64-bit kernel on more Macs, and OS X 10.8 "Mountain Lion" and later macOS releases only have a 64-bit kernel. On systems with 64-bit ...

  8. Physical Address Extension - Wikipedia

    en.wikipedia.org/wiki/Physical_Address_Extension

    However, "client" versions of 32-bit Windows (Windows XP SP2 and later, Windows Vista, Windows 7) limit physical address space to the first 4 GB for driver compatibility [16] even though these versions do run in PAE mode if NX support is enabled. Windows 8 and later releases will only run on processors which support PAE, in addition to NX and SSE2.

  9. Valganciclovir - Wikipedia

    en.wikipedia.org/wiki/Valganciclovir

    Valganciclovir, sold under the brand name Valcyte among others, is an antiviral medication used to treat cytomegalovirus (CMV) infection in those with HIV/AIDS or following organ transplant. [3]