Microsoft Windows 7 Home Premium Upgrade Family Pack (3-User) for $149.99 shipped. This family pack is generally hard to find nowadays. Here is a screenshot for your reference. Note that both 32-bit and 64-bit versions are included. This provides Windows 7 upgrade for 3 PCs that have either Windows Vista or Windows XP. This is a good deal for a multi-PC household as a single upgrade is usually about $109 so doing upgrade for 3 PCs would normally works out to be over $300 (3 x $109).