Windows 10 receives new releases on an ongoing basis, which are available at no additional cost to users. It is the successor to Windows 8.1, and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015. Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. X64 | Language: Arabic, Brazilian, Croatian, Danish, Dutch, English GB, English US, Estonian, Finnish, French CA, French FR, German, Greek, Hungarian, Italian, Latvian, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, Swedish, Turkish, Ukrainian | 5.5 GB Windows 10 X64 Pro VL 21H2 Build 19044.1165 Preactivated Multilingual September 2021