What is Windows 7 SP1? What is this Windows 7 SP1 about?

What is Windows 7 SP1? Windows 7 is a major release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. It is the successor to Windows Vista, released nearly three years earlier. Windows 7’s server counterpart, Windows Server 2008 R2, was released at the same time. Windows 7 remained an operating system for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs, and itself was replaced in November 2012 by Windows 8, the name spanning more than three years of the product.

Extended support ended on January 14, 2020, over ten years after the release of Windows 7, after which the operating system ceased receiving further updates. A paid support program was available for enterprises, providing security updates for Windows 7 for up to three years since the official end of life.

Windows 7 was intended to be an incremental upgrade to Microsoft Windows, addressing Windows Vista’s poor critical reception while maintaining hardware and software compatibility. Windows 7 continued improvements on the Windows Aero user interface with the addition of a redesigned taskbar that allows pinned applications, and new window management features.

Other new features were added to the operating system, including libraries, the new file-sharing system HomeGroup, and support for multitouch input. A new “Action Center” was also added to provide an overview of system security and maintenance information, and tweaks were made to the User Account Control system to make it less intrusive. Windows 7 also shipped with updated versions of several stock applications, including Internet Explorer 8, Windows Media Player, and Windows Media Center.

Windows 7 SP1

What is Windows 7 SP1?

Windows 7 Service Pack 1 is an official update for Windows 7 that greatly increases its functionality and stability, offering users of this PC operating system from Microsoft a wide variety of improvements that touch every aspect of using the modern PC platform. Released to the public in early 2011, some year and a half after the arrival of the original version of Windows 7, SP1 managed to update this OS with features that enabled it to become relevant, more stable, and usable for years to come.

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Note: Support for Windows 7 ended on January 14, 2020. We recommend you move to a Windows 11 to continue to receive security updates from Microsoft.

Some of the core new features that were introduced with Windows 7 SP 1 are the support for Advanced Vector Extensions (AVX) 256-bit instruction set for CPU processors that are needed for highly scientific and complicated calculations in professional apps, a new disk storage format aimed at higher security, as well as Identity Federation Services for better protection of user’s personal identification data in online sessions.

One of the most widely used add-ons of SP1 was its virtualization improvements that came in the form of Dynamic Memory and RemoteFX services. Dynamic Memory enabled users to finally create virtual machines on their PC without sacrificing memory performance or security (by preventing VR users to gain access to data from outside of their sandboxed instance), while RemoteFX introduced a stable, reliable, and fast way for Windows 7 to virtualize the GPU and offer its clients 3D user experience rich media inside a virtualized desktop environment.

The first big system update for Windows 7

Windows 7 Service Pack 1 is an important system update that includes performance, stability and security improvements for Windows 7, as well as a bunch of new features – many of them under the hood.

The new features included in Windows 7 Service Pack 1 are Dynamic Memory and RemoteFX, which enhance the system’s virtualization capabilities. The first one, Dynamic Memory, lets you increase virtual machine density without sacrificing performance or security.

The second feature in Windows 7 Service Pack 1, RemoteFX, enables you to virtualize the GPU (Graphic Processor Unit) on the server side and produce rich media and 3D user experience in a virtual desktop environment.

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Other interesting changes are the improved reliability when connecting to HDMI audio devices, printing using the XPS Viewer, and restoring previous folders in Windows Explorer after restarting.

Windows 7 Service Pack 1 includes important updates and new features that improve the system’s security, stability and performance.

Windows 7 SP1

How To Block the Installation of Windows 7 SP1

Microsoft has released the Windows 7 Service Pack 1 Blocker Tool which can be used for that purpose. The toolkit blocks the deployment for a period of 12 months after release of the service pack.

The question: Why would someone want to block the installation of a Microsoft service pack and why did Microsoft create the tool to let them block the installation? The purpose of the Windows Service Pack Blocker Tool Kit is to temporarily prevent the installation – but not the download – of the Windows 7 Service Pack on machines running the operating system.

The Service Pack Blocker Tool Kit was designed for companies and organizations that test new software thoroughly before applying it to all machines of their network. The damages that a new Service Pack – or any new software – could cause are immense and those organizations want to test it in a safe environment before patching all computers.

The Service Pack Blocker was not designed with end users in mind but it can be used by downloaded and used by anyone. I would not suggest to use it though in a home environment because those service packs contain important security updates that should be installed on any computers connecting to the Internet.

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Windows 7 SP1 and Windows Server 2008 R2 SP1 new features

I have already summarized what’s new in Windows 7 SP1 and Windows Server 2008 R2 SP1 a few months ago. The official Windows 7 SP1 page has some additional information. For Windows Server 2008 R2 SP1, you should check out the reviewer’s guide (PDF), which is quite comprehensive with 26 pages. The main new features in this service pack are certainly RemoteFx and Dynamic Memory for Hyper-V.

Hyper-V Dynamic Memory resources

Dynamic Memory allows you to increase the memory of Hyper-V VMs dynamically during run time. A good start is to read my introduction to Dynamic Memory and RemoteFX, and this Comparison of Hyper-V Dynamic Memory and VMware Overcommit will clarify the concept. If you would like to learn how you can actually use Dynamic Memory, I recommend this article at VirtualizationAdmin.com.

Checking out Microsoft’s Hyper-V Dynamic Memory Evaluation Guide is certainly also a good way to get started. Microsoft’s latest blog post relates Address Space Layout Randomization (ASLR) to Dynamic Memory, and the Microsoft Infrastructure blog has a link list of articles about Dynamic Memory. Related to this topic is Paul Schnackenburg’s series about Hyper-V performance tuning.

Windows 7 SP1

Above is information about What is Windows 7 SP1? What is this Windows 7 SP1 about? that we have compiled. Hopefully, through the above content, you have a more detailed understanding of Windows 7 SP1. Thank you for reading our post.

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