This Arch installation script will install kde, firefox and libreoffice(fresh) and optionally nvidia drivers.
First run
bash arch-install-0.sh
Now partition your drive and mount the partitions in /mnt. The boot, efi and root partitions must be present, recommended sizes:
1.Boot >500MB
2.EFI >200MB
3.Root >5GB
Now run
bash arch-install-chroot.sh
Now installation is complete.
reboot