Windows updating path
It is not possible to eliminate all circumstances when the application of a patch may require access to the original installation source.
However, to minimize the possibility that your patch will require access to the original source, adhere to the points listed in the following section: Preventing a Patch from Requiring Access to the Original Installation Source.
To minimize the possibility that your patch is not broken by a subsequent customization transform, typically the patch is installed first, followed by the customization.
Installing customization transforms first, and then the patch, may break the customization.
You can download either the latest release’s source or just grab a fresh checkout.
For Microsoft Visual C , which is the compiler with which official Python releases are built, the source tree contains solutions/project files.
A Windows Installer patch (file) is a self-contained package that contains the updates to the application and describes which versions of the application can receive the patch.
Patches contain at a minimum, two database transforms and can contain patch files that are stored in the cabinet file stream of the patch package.
If it still doesn't find the command you typed, it finally gives up and reports an error.
If a subsequent patch is installed, marked with the msidb Patch Sequence Supersede Earlier value in its Msi Patch Sequence table to supersede the first patch, Windows Installer 4.5 and later can unregister and uninstall components marked msidb Component Attributes Uninstall On Supersedence to prevent leaving behind unused components on the computer.
If the component is not marked with with this bit, installation of the superseding patch can leave an unused component on the computer.
Unlike most Unix systems and services, Windows does not require Python natively and thus does not pre-install a version of Python.
However, the CPython team has compiled Windows installers (MSI packages) with every release for many years.