You may need to build a customized image based on the latest branch by yourself for some advanced features.

# download image, e.g. latest stable release
wget https://downloads.openwrt.org/releases/23.05.4/targets/x86/64/openwrt-23.05.4-x86-64-generic-ext4-combined-efi.img.gz

# unpack image
gunzip openwrt-*.img.gz

# identify disk (not partition) to replace sdX in the following command
lsblk

# write image
dd if=openwrt-*-x86-64-generic-ext4-combined.img bs=1M of=/dev/sdX