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 End Of Life to be released 2021.02 Jan 2022 when 2024.02 is released (approx. Jun 2024) supported 2021.01 Jun 2021 when 2024.01 is released (approx. Jan 2024) supported 2020.02 Feb 2021 when 2023.02 is released (approx. Jun 2023) supported 2020.01 Jul 2020 when 2023.01 is released (approx. Jan 2023) supported 2019.02 Dec 2019 when 2022.02 is released (approx. Jun 2022)