This article describes the prerequisite software updates that apply to versions of Windows Vista that are mentioned in the "Applies to" section. Additionally, these updates help improve reliability when you install or remove Windows Vista SP1. Two or three additional software updates are required before you install Windows Vista SP1. The software updates that are required depend on the version of Windows Vista that you want to upgrade. Prerequisite update that is listed in this article only applies to Windows Vista Enterprise and to Windows Vista Ultimate.
The other prerequisite updates that are listed in this article apply to all versions of Windows Vista. Before Windows Vista SP1 is released, these prerequisite updates will be delivered to most users through Windows Update as part of regularly scheduled monthly windows vista home premium upgrade free download free download.
These updates will be installed together with other updates that will require that you restart the computer. Therefore, an additional restart will not be required. This delivery method will help simplify installation of the required updates. If you decide to install Windows Vista SP1 by using the stand-alone installer instead of by using Windows Update, you will not have to install the prerequisite updates separately.
The prerequisite updates will be installed by the stand-alone installer if they are necessary. The following three updates are required before you install Windows Vista SP1.
However, these updates are also recommended if you do not intend to install Windows Vista SP1. These updates help improve reliability windows vista home premium upgrade free download free download performance when you install future individual updates from Microsoft:. This update must be applied separately before you install Windows Vista SP1 to make sure that Windows Vista SP1 can be installed or removed from the computer.
This update will be available on the Windows Update Web site soon after the release of update and before the release of Windows Vista SP1. Update updates the Windows Vista installation software. For more information, see the "Update information" section. Update is a prerequisite package that contains updates to the Windows Vista installation software. The installation software is the component that handles the installation and the removal of software updates, language packs, optional Windows features, and service packs.
Update is available windows vista home premium upgrade free download free download the Windows Update Web site.
To obtain this update, follow these steps:. Click Startclick Control Paneland then click Security. Under Windows Updateclick Check for updates. You must install this update package on a Windows Vista operating system that is running. You cannot install this update package on an offline image. If any other updates are waiting for a restart, the restart must occur before you install this update. For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:.
Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file. You cannot remove this update. For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:.
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