How to speed up windows 7 under kvm?

Question

KVM

Previously, I always drove Windows under xen and Windows is quite fast there, now I put it under kvm on proxmox, allocated a couple of cores and 4 gigabytes of RAM, the percentage is empty, the RAM is still almost three gigabytes free, but the response is terrible, the actions inside freeze.
What would screw this up?
I remember always putting paravirtual firewood in xen, are there the same ones for kvm?

Answer 1

www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers

Answer 2

In addition to the VirtIO drivers mentioned above (hard disk and network adapter), you can also install a video driver from vmware www.linux-kvm.com/content/using-vmware-vga-kvm-windows-guests