Happy Windows 7
Windows 7 Mania launched a campaign on March 12, 2010 promoting Windows 7 Ultimate DSP, featuring Nanami Madobe.
The campaign proposed the Happy Windows 7 Campaign Limited Premium Set (Japanese: Happy Windows 7キャンペーン限定プレミアムセット), which includes a CD-DA with the song Seven Color Generator sung by Nanami along 77,777 copies of Windows 7 Ultimate DSP.
According to Akiba PC Watch, some shops reported a 50% boost on their sales compared to usual.
Goods
| Seven Color Generator Disc | |
| Unitcom Nanami Notebooks |