update net framework windows 8

Versions of . windows server 2008 r2 iso NET Framework available for download; Version Release date End of support NET Framework 4 8 1 : August 9, 2022 NET Framework 4 8 : April 18, 2019 NET Framework 4 7 2 : April 30, 2018 NET Framework 4 7 1 : October 17, 2017 NET Framework 4 7 : April 5, 2017 NET Framework 4 6 2 : August 2, 2016 NET Framework 3 5 SP1: November 18, 2008