The availability of a full version of Windows 7 in Europe also means users there will have access to Windows 7 retail boxes in full and upgrade versions for pre-order starting Sept. 1 and to buy on Oct. 22. However, Microsoft will continue to make Windows 7 N versions available in Europe. That version does not include Windows Media Player and is the result of another European antitrust suit over the inclusion of that software in Windows.

Customers who have already pre-ordered the full version of Windows 7 E in the E.U. will now receive full versions of Windows 7 with IE8 included, the company said.

Microsoft also unveiled a limited-time discounted upgrade for Windows users in the U.K. People who purchase Windows 7 Home Premium between Sept. 1 and Dec. 31 can upgrade for £79.99 (US$131) rather than the standard pricing of £99.99. The regular upgrade pricing will go back into effect Jan. 1.