If your computer feels sluggish, upgrading from a mechanical Hard Disk Drive (HDD) to a Solid State Drive (SSD) or adding more RAM will provide a far greater performance boost than a modified OS.
As a mature, well-supported version of Windows 10 (at its time), 1607 is favored for industrial applications, legacy software support, and environments where stability is preferred over constant feature updates. Windows 10 Altum Pro 1607 X64 Full Version