Build PYNQ

Hi, may I know if I can build PYNQ on windows so I do not have to use VirtualBox Ubuntu ? Thank you.

No, you cannot. Petalinux only works on Linux-based OS. List of supported OS, see link below page 9

https://www.xilinx.com/support/documentation/sw_manuals/xilinx2020_1/ug1144-petalinux-tools-reference-guide.pdf