No security updates or new OS compatibility are provided for these versions. Using third-party websites, torrents, or file-sharing platforms to download older SolidWorks versions carries severe risks:
| Version | Release Year | Mainstream Support Ended | Last Service Pack | |---------|--------------|--------------------------|-------------------| | 2021 | 2020 | December 2022 | SP5.1 | | 2020 | 2019 | December 2021 | SP5.0 | | 2019 | 2018 | December 2020 | SP5.0 | | 2018 | 2017 | December 2019 | SP5.0 | | 2017 | 2016 | December 2018 | SP5.0 | solidworks download old version