The "Only Black" theme is specifically designed for Windows 7 users and provides some lovely customizations to your desktop.
For one, it generally darkens your desktop layout by streamlining grey and black. That includes the Start Menu, window buttons and also a darkened cursor.
If you're looking for a black Windows 7 theme, check this one out.Compability and license
Only Black Theme is licensed as freeware for the Windows (32-bit and 64-bit) operating system / platform from theme software for windows without restrictions. Only Black Theme 1.0.0 is available to all software users as a free download (Freeware).
Compatibility with this software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup. A separate x64 version may be available from tonev. This download is distributed as Only-black-tonyv.zip and Only_Black_NEW_version_by_tonev.zip.
We have tested Only Black Theme 1.0.0 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.