Browse your server directories to find the zip file you want to unzip. Click the file to unzip it. Please make sure you have given appropriate permissions!
Index of /boot
..grubSystem.map-5.10.0-20-amd64config-5.10.0-20-amd64initrd.img-5.10.0-20-amd64vmlinuz-5.10.0-20-amd64