Windows builds
From OpenZFS on OS X
Nightly builds
We do not have nightly builds. But occasional-builds.
Fully cogesigned
https://www.lundman.net/OpenZFSOnWindows-debug-2.1.99-968-g32152cd8a-dirty.exe 2022/02/27 REPACK.PROPER https://www.lundman.net/OpenZFSOnWindows-debug-2.1.99-968-g32152cd8a-dirty.exe 2022/02/21 Rebase, +zstd https://www.lundman.net/OpenZFSOnWindows-debug-2.1.0-2041-gfbc23d71b-dirty.exe 2021/12/16 Win10 First fully signed installer
Partially codesigned
Use the Advanced Boot options and select to "disable driver signature enforcement"
https://www.lundman.net/OpenZFSOnWindows-debug-2.1.99-969-g0e90926dd-dirty.exe 2022/03/10 Lots of pool-import work.
Not so relevant now
Or enable developer mode:
https://www.howtogeek.com/292914/what-is-developer-mode-in-windows-10/