To determine which version of Windows Installer is installed on a computer, follow these steps:
1) Click Start, click Run, type %systemroot%\system32, and then click. OK.
2) Right-click Msi.dll, and then click. Properties.
3) Click the Version tab, and then note the File version number.
1) Click Start, click Run, type %systemroot%\system32, and then click. OK.
2) Right-click Msi.dll, and then click. Properties.
3) Click the Version tab, and then note the File version number.