HTTP/2 301
date: Mon, 29 Dec 2025 22:59:36 GMT
content-type: text/html
location: https://ipi-code.org/download/
server: cloudflare
access-control-allow-origin: *
expires: Mon, 29 Dec 2025 23:09:36 GMT
cache-control: max-age=600
x-proxy-cache: MISS
x-github-request-id: 8B74:15317B:960C8D:A86B22:695307D7
accept-ranges: bytes
age: 0
via: 1.1 varnish
x-served-by: cache-bom-vanm7210030-BOM
x-cache: MISS
x-cache-hits: 0
x-timer: S1767049176.456402,VS0,VE201
vary: Accept-Encoding
x-fastly-request-id: 7d6033127c2083eca6eaf10c583fee0d66f12732
cf-cache-status: DYNAMIC
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=lzG3jNjMmW%2BVH5fIvsFfMGL%2BMQzRHCJGl5nOLhDaNsHKldgY9BNwriY35dKHruZL9Tdj%2F5mDwHBDez1onP0DBU4X0NW11jjeqOMYnw%3D%3D"}]}
cf-ray: 9b5ce8a8a9db4473-BOM
alt-svc: h3=":443"; ma=86400
HTTP/2 200
date: Mon, 29 Dec 2025 22:59:36 GMT
content-type: text/html; charset=utf-8
server: cloudflare
last-modified: Thu, 03 Oct 2024 16:37:22 GMT
access-control-allow-origin: *
expires: Mon, 29 Dec 2025 23:09:36 GMT
cache-control: max-age=600
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Hh9xQIUPYv3sLzU04xa9BlHrx04W7NwXGHWZfCnOLFRDMnTF1f%2BEYKSwJTie1U9Pg9sASS%2BsPNdzJ2%2BVsAxdQXEJLNP%2FfvX9vHvBWQ%3D%3D"}]}
x-proxy-cache: MISS
x-github-request-id: 8311:444BC:96C0C1:A91E92:695307D7
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
age: 0
via: 1.1 varnish
x-served-by: cache-bom-vanm7210037-BOM
x-cache: MISS
x-cache-hits: 0
x-timer: S1767049177.682919,VS0,VE217
vary: Accept-Encoding
x-fastly-request-id: f8f3bca36330f50d5f1d27337081c3f66be29f73
cf-cache-status: DYNAMIC
content-encoding: gzip
cf-ray: 9b5ce8aa1a394473-BOM
alt-svc: h3=":443"; ma=86400
Download The easiest way to install i-PI is through the PyPI package . Using pip, this is as simple as running
The source of i-PI and its current development stage can be downloaded from the official GITHUB page, where you also find further instructions to install and use i-PI. Other useful resources can be found in the general i-PI github repo .