Classic Shell 3.9 Beta

Classic Shell is a collection of features that were available in older versions of Windows but are removed from Vista and Windows 7. It has a classic start menu for Windows 7 and Windows 8, it adds a toolbar for Windows Explorer and supports a variety of smaller features. There are 3 major components - Classic Explorer, Classic Start Menu and Classic IE9. Look here for the full list if features.

Classic Shell features:

Classic Start Menu for Windows 7, 8 (with skins)
Toolbar for Windows Explorer
Classic copy UI
Show file size in Explorer status bar

Classic Start Menu is a clone of the original start menu. It has a variety of advanced features:

Drag and drop to let you organize your applications
Options to show Favorites, expand Control Panel, etc
Shows recently used documents. The number of documents to display is customizable
Translated in 35 languages, including Right-to-left support for Arabic and Hebrew
Does not disable the original start menu in Windows. You can access it by Shift+Click on the start button
Right-click on an item in the menu to delete, rename, sort, or perform other tasks
The search box helps you find your programs without getting in the way of your keyboard shortcuts
Available for 32 and 64-bit operating systems
Has support for skins, including additional 3rd party skins
Fully customizable in both looks and functionality
Support for Microsoft’s Active Accessibility
Converts the “All Programs” button in the Windows menu into a cascading menu (Vista and Windows 7)
Implements a customizable start button for Windows 8
And last but not least – it's FREE!

Classic Explorer is a plugin for Windows Explorer that:

Adds a toolbar to Explorer for some common operations (Go to parent folder, Cut, Copy, Paste, Delete, Properties, Email). The toolbar is fully customizable
Replaces the copy UI in Vista and Windows 7 with the more user-friendly “classic” version similar to Windows XP
Handles Alt+Enter in the folder panel of Windows Explorer and shows the properties of the selected folder
Has options for customizing the folder panel to look more like the Windows XP version or to not fade the expand buttons
Can show the free disk space and the total file size in the status bar
Can disable the breadcrumbs in the address bar
Fixes a long list of features that are broken in Windows 7 – missing icon overlay for shared folders, the jumping folders in the navigation pane, missing sorting headers in list view, and more

Classic IE9 is a plugin for Internet Explorer 9 that:

Adds a caption to the title bar so you can see the full title of the page
Shows the security zone in the status bar
Shows the loading progress in the status bar

This is the first public beta of the new Classic Shell 4. What's new in this version:

New "Windows 7" menu style that replicates the look and feel of the Windows 7 start menu

the programs show in a tree inside the main menu
search results and jump lists show inside the main menu
dedicated shutdown button
the unparalleled customizability you've come to expect from Classic Shell
You can search for files as well as programs, using the Windows indexing service
The menu can show the most frequently used programs
Programs can be pinned directly from Explorer
New programs are automatically highlighted in the menu
The list of Classic Shell settings can be searched to easily find the setting you need
New more reliable way to start on Windows 8, that doesn't use a service
Improved compatibility with Windows 8.1 Preview
Many improvements to performance and responsiveness