Where is Windows Calendar?

One of the useful applications removed in Windows 7/Server 2008 R2 is the Windows Calendar. I especially missed it because I never want any email/calendar bundle like Windows Live Mail. Here is how to get it back:

• Copy the Windows Calendar program folder from an earlier Windows installation to your new Windows 7/Server 2008 R2
• Optionally import your existing iCalendar (.ics) file.

Easy! Isn't it? Now to get the reminder feature to work:

• Create a WindowsCalendar folder in C:\Windows\System32\Tasks\Microsoft\Windows (or whereever that is in your install)
• Set the security on that folder to NOT inherit but add existing parent permissions, and to allow Authenticated Users to create files/folders, write attributes/extended attributes, and read permissions.
• Optionally remove the permissions for Local Service and Network Service, and to change the owner to SYSTEM

Done!