Because Microsoft does not provide an official "tiny" version, you have two ethical and safer options:
Compared to a standard Windows 7 64-bit install, which officially requires 2 GB of RAM and 20 GB of disk space, "tiny" versions are significantly leaner: Tiny Windows 7 X64 Iso Download
Most third-party "tiny" downloads include an activator or a pre-input volume license key. Because Microsoft does not provide an official "tiny"
Even if you have the tiniest, fastest version of Windows 7, you must consider the current security landscape. fastest version of Windows 7