Installing Windows 11 on Proxmox is eminently doable, but it’s not the “select ISO and click next” experience many users expect — you’ll need additional ISOs, a UEFI firmware, a virtual TPM, and the correct VirtIO drivers at the right step in the installer to get a clean, performant VM...
Xen Virtualization on Linux and Solaris: "First of all setup DNJL PPA to upgrade KVM/QEMU up to Qemu 0.12.5 & Libvirt 0.8.3 on Ubuntu Lucid Server and download the most recent Fedora virtio-win drivers from http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/bin as floppy and ISO...