msiexec: add page (#7513)

pages/windows/msiexec.md

@@ -0,0 +1,20 @@
+# msiexec
+
+> Install, update, repair, or uninstall Windows programs using MSI and MSP package files.
+> More information: <https://docs.microsoft.com/windows-server/administration/windows-commands/msiexec>.
+
+- Install a program from its MSI package:
+
+`msiexec /package {{path/to/file.msi}}`
+
+- Install a MSI package from a website:
+
+`msiexec /package {{https://example.com/installer.msi}}`
+
+- Install a MSP patch file:
+
+`msiexec /update {{path/to/file.msp}}`
+
+- Uninstall a program or patch using their respective MSI or MSP file:
+
+`msiexec /uninstall {{path/to/file}}`