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What is the difference between Updates for Windows 8.1 and Updates for Windows 8.1 for x64-based systems

Question
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I hope I don't sound too silly but I need to know the difference between 'Update for Windows 8.1" and "Update for Windows 8.1 for x64-based systems". I thought all Windows 8 version must be running under x64bit system.
I am managing WSUS and I decline all "Update for Windows 8.1" and approve "Update for Windows 8.1 for x64-based systems". I am found dumb look at these two updates, thanks.
Thang Mo
Monday, December 22, 2014 8:18 PM
Answers
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I thought all Windows 8 version must be running under x64bit system.
DESKTOP operating systems are still available in 32-bit editions; only the SERVER operating systems are now 64-bit only.
As such, the difference between "Updates for Windows 8.1" and "Updates for Windows 8.1 for x64-based systems" is the same difference between "Updates for Windows 8" and "Updates for Windows 8 for x64-based systems",
which is the same difference between "Updates for Windows 7" and "Updates for Windows 7 x64-based systems",
which is the same difference between "Updates for Windows Vista" and "Updates for Windows Vista for x64-based systems",
which is the same difference between "Updates for Windows Server 2008" and "Updates for Windows Server 2008 for x64-based systems".
The ones without the "x64-based systems" reference are 32-bit updates.
Lawrence Garvin, M.S., MCSA, MCITP:EA, MCDBA
SolarWinds Head Geek
Microsoft MVP - Software Packaging, Deployment & Servicing (2005-2014)
My MVP Profile: http://mvp.microsoft.com/en-us/mvp/Lawrence%20R%20Garvin-32101
http://www.solarwinds.com/gotmicrosoft
The views expressed on this post are mine and do not necessarily reflect the views of SolarWinds.- Proposed as answer by Eve WangMicrosoft contingent staff Tuesday, December 23, 2014 1:09 AM
- Marked as answer by Steven_Lee0510 Friday, December 26, 2014 1:49 AM
Monday, December 22, 2014 10:37 PM
All replies
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I thought all Windows 8 version must be running under x64bit system.
DESKTOP operating systems are still available in 32-bit editions; only the SERVER operating systems are now 64-bit only.
As such, the difference between "Updates for Windows 8.1" and "Updates for Windows 8.1 for x64-based systems" is the same difference between "Updates for Windows 8" and "Updates for Windows 8 for x64-based systems",
which is the same difference between "Updates for Windows 7" and "Updates for Windows 7 x64-based systems",
which is the same difference between "Updates for Windows Vista" and "Updates for Windows Vista for x64-based systems",
which is the same difference between "Updates for Windows Server 2008" and "Updates for Windows Server 2008 for x64-based systems".
The ones without the "x64-based systems" reference are 32-bit updates.
Lawrence Garvin, M.S., MCSA, MCITP:EA, MCDBA
SolarWinds Head Geek
Microsoft MVP - Software Packaging, Deployment & Servicing (2005-2014)
My MVP Profile: http://mvp.microsoft.com/en-us/mvp/Lawrence%20R%20Garvin-32101
http://www.solarwinds.com/gotmicrosoft
The views expressed on this post are mine and do not necessarily reflect the views of SolarWinds.- Proposed as answer by Eve WangMicrosoft contingent staff Tuesday, December 23, 2014 1:09 AM
- Marked as answer by Steven_Lee0510 Friday, December 26, 2014 1:49 AM
Monday, December 22, 2014 10:37 PM -
In addition to 64bit there is 32bit of Windows 8.1. (Only server operating systems are 64bit only now. I mean Windows 2008 R2 and all Windows Server 2012 /R2 versions.)
M.
Monday, December 22, 2014 10:45 PM