How to get older version?

[TonyS]

You can find all releases since v2.00 onward on GitHub.

edit:

There is also https://hashcat.net/files_legacy/.

https://hashcat.net/files_legacy/hashcat-0.42.7z
https://hashcat.net/files_legacy/hashcat-0.48.7z
https://hashcat.net/files_legacy/hashcat-0.49.7z

https://hashcat.net/files_legacy/cudaHashcat-1.20.7z
https://hashcat.net/files_legacy/cudaHashcat-1.21.7z
https://hashcat.net/files_legacy/cudaHashcat-1.30.7z
https://hashcat.net/files_legacy/cudaHashcat-1.31.7z
https://hashcat.net/files_legacy/cudaHashcat-1.32.7z
https://hashcat.net/files_legacy/cudaHashcat-1.37.7z
https://hashcat.net/files_legacy/cudaHashcat-2.00.7z
https://hashcat.net/files_legacy/cudaHashcat-2.01.7z

https://hashcat.net/files_legacy/oclHashcat-1.20.7z
https://hashcat.net/files_legacy/oclHashcat-1.21.7z
https://hashcat.net/files_legacy/oclHashcat-1.31.7z
https://hashcat.net/files_legacy/oclHashcat-1.33.7z
https://hashcat.net/files_legacy/oclHashcat-1.34.7z
https://hashcat.net/files_legacy/oclHashcat-1.35.7z
https://hashcat.net/files_legacy/oclHashcat-1.36.7z
https://hashcat.net/files_legacy/oclHashcat-1.37.7z
https://hashcat.net/files_legacy/oclHashcat-2.00.7z
https://hashcat.net/files_legacy/oclHashcat-2.01.7z

https://hashcat.net/files_legacy/oclHash...us-0.13.7z
https://hashcat.net/files_legacy/oclHash...us-0.14.7z

etc