All recent Delft-FEWS releases require a 64-bit OS and hardware. Deltares supports at maximum 5 versions. If still on unsupported version it is strongly recommended to upgrade to a supported version.status version release date Expected End Of Life to be released 2021.02 to be released Jan 2022 Jan 2024, when 2024.01 is released supported 2021.01 Jun 2021 Jun 2023, when 2023.02 is released 2020.02 Feb 2021 Jan 2023, when 2023.01 is released 2020.01 Jul 2020 Jun 2022, when 2022.02 is released 2019.02 Dec 2019 When 2022.01 is released 2018.02 Sep 2019 Jan 2022