Glass2k – make any window transparent

We still use the Windows 2000 or XP. They donot have transparent window.
This Glass2k is so simply and small, but very strong to make any window transparent.
It is a Freeware, works on Windows 2000 and XP. The current version is Beta Version: 0.9.2.
You can donwload form here, or from the official site
The file size is only 56KB.
I like it. Simply is beautiful.

The official site shown as below: