diff --git a/install-grub.sh b/install-grub.sh
new file mode 100644
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--- /dev/null
+++ b/install-grub.sh
@@ -0,0 +1,414 @@
+#!/bin/bash
+
+### Variables:
+# $dsks = whole lsblk output (e.g. "sda 1,0T, sdb ..")
+# $disk = only selected disk (e.g. "sdc 500G")
+# $dev  = selected disk without size (e.g. "sdd")
+# $main = main partition (e.g. "sde2")
+# $szmn = size of the main partition (e.g. "50")
+# szrt = size of root LVM volume
+# $boot = boot partition (e.g. "sdf1")
+# $host = hostname
+# $user = username
+# $pwur = user password
+# $pwrt = root password
+# $pwcr = encryption password
+# $pwfr = password first
+# $pwsc = password second
+
+# Friendly introduction.
+echo "Welcome to the Arch Linux installation script!"
+echo "This script will ERASE ALL DATA on the partition you will choose next!"
+echo
+read -p "Do you want to continue? Type [Y]es or [N]o. " -n 1 -r
+echo    # (optional) move to a new line
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+    exit 1
+fi
+echo
+
+# Selecting disk.
+echo "1. PARTITIONING"
+echo "Please select a disk to partition:"
+echo
+
+# Don't separate values by space.
+IFS=$'\n'
+
+# Set variable containing name and size of all disks.
+dsks=( $(lsblk -d | tail -n+2 | awk '{print $1" "$4}') )
+
+# Declare the array.
+declare -a dsks
+
+# Select value on array.
+select dev in ${dsks[*]}
+do
+
+break
+done
+echo
+
+# Separate values by spaces.
+IFS=' '
+
+# Create new variable of selection.
+array=($dev)
+dev="${array[0]}"
+szmn="${array[1]%?}"
+
+# Setting partition size.
+echo "Your system partition has a size of $szmn GB."
+echo "What size should your root volume have (GB)?"
+echo "The rest will be used for your home volume."
+read szrt
+echo
+
+echo "2. ENCRYPTION"
+echo
+
+# Setting encryption password.
+echo "Choose a strong password for encrypting the primary partition:"
+while [ -z "$pwcr" ]; do
+echo "Please enter a password: "
+read -s pwfr
+read -s -p "Retype a password: " pwsc
+if [ $pwfr == $pwsc ];
+then
+  pwcr=$pwfr
+  echo
+  echo "Both passwords are the same. Continuing.."
+else
+  echo
+  echo "You have entered different passwords. Try again.."
+  echo
+continue
+fi
+break
+done
+echo
+
+echo "3. HOSTNAME"
+echo
+
+# Setting hostname.
+echo "Before installing the system, please enter a hostname:"
+read host
+echo
+
+echo "4. ROOT PASSWORD"
+echo
+
+# Setting root password.
+echo "Choose a password for the root account:"
+while [ -z "$pwrt" ]; do
+echo "Please enter a password: "
+read -s pwfr
+read -s -p "Retype a password: " pwsc
+if [ $pwfr == $pwsc ];
+then
+  pwrt=$pwfr
+  echo
+  echo "Both passwords are the same. Continuing.."
+else
+  echo
+  echo "You have entered different passwords. Try again.."
+  echo
+continue
+fi
+break
+done
+echo
+
+echo "4. USER"
+echo
+
+# Setting username
+echo "Please enter a username:"
+read user
+echo
+
+# Setting user password.
+echo "Also please choose a password for your user:"
+while [ -z "$pwur" ]; do
+echo "Please enter a password: "
+read -s pwfr
+read -s -p "Retype a password: " pwsc
+if [ $pwfr == $pwsc ];
+then
+  pwur=$pwfr
+  echo
+  echo "Both passwords are the same. Continuing.."
+else
+  echo
+  echo "You have entered different passwords. Try again.."
+  echo
+continue
+fi
+
+break
+done
+echo
+
+echo "5. INSTALLING SYSTEM.."
+echo
+
+# Starting partitioning.
+echo "Partitioning /dev/$dev.."
+echo
+
+# Clearing partition table of selected disk.
+echo "Clearing existing partitioning table."
+sgdisk -Z /dev/$dev &&
+echo
+
+# Creating boot partition.
+#szmn="${array[1]%?}"
+echo "Creating boot partition of 256 MB."
+sgdisk -n 1:0:+256M /dev/$dev &&
+echo
+
+# Setting type for EFI.
+echo "Marking partition as boot."
+sgdisk -t 1:ef00 /dev/$dev &&
+echo
+
+# Creating system partition.
+echo "Creating system partition of $szmn GB."
+sgdisk -n 2:0:0 /dev/$dev
+echo
+
+# Print partitions.
+echo "This is your new partition table:"
+lsblk | grep "$dev"
+echo
+
+# Get new variable.
+main=${dev}2
+
+# Encrypting partition.
+echo "Encrypting system partition. This might take a while."
+echo
+echo -en "$pwcr\n$pwcr" | cryptsetup -c aes-xts-plain -s 512 luksFormat /dev/$main &&
+echo "Partition successfully encrypted."
+echo
+
+# Opening encrypted partition and mounting at /dev/mapper/lvm.
+echo "Decrypting.. This also might take a while."
+echo
+echo -en "$pwcr\n$pwcr" | cryptsetup luksOpen /dev/$main lvm &&
+echo "Partition successfully opened."
+echo
+
+lsblk | grep "$dev"
+echo
+
+# Creating physical volume.
+echo "Creating physical volume."
+pvcreate /dev/mapper/lvm &&
+echo
+
+# Creating volume group "main".
+echo "Creating volume group."
+vgcreate main /dev/mapper/lvm &&
+echo
+
+# Creating logical volumes.
+echo "Creating logical volumes for root and home."
+lvcreate -L ${szrt}G -n root main &&
+lvcreate -l 100%FREE -n home main &&
+echo "Logical volumes successfully created."
+echo
+ 
+echo "Creating the filesystem."
+boot=${dev}1
+mkfs.fat -F 32 -n UEFI /dev/$boot &&
+echo "Filesystem for boot successfully created."
+echo
+ 
+mkfs.ext4 -L root /dev/mapper/main-root &&
+echo "Filesystem for root successfully created."
+echo 
+ 
+mkfs.ext4 -L home /dev/mapper/main-home &&
+echo "Filesystem for home successfully created."
+echo
+
+echo "Mounting.."
+mount /dev/mapper/main-root /mnt &&
+mkdir /mnt/boot &&
+mkdir /mnt/home &&
+mount /dev/$boot /mnt/boot &&
+mount /dev/mapper/main-home /mnt/home &&
+echo "Mounting complete."
+echo
+
+#lsblk | grep "$dev"
+lsblk
+echo
+
+# Updating mirrors using reflector.
+echo "Updating mirrors.."
+reflector --verbose --latest 10 --country Germany --age 24 --protocol https --sort rate --save /etc/pacman.d/mirrorlist &&
+#reflector --verbose --latest 10 --age 24 --protocol https --sort rate --save /etc/pacman.d/mirrorlist &&
+echo "Done."
+echo
+
+echo "Updating keyring.."
+pacman -Sy archlinux-keyring --noconfirm &&
+echo "Done."
+echo
+
+# Installing base system.
+echo "Installing basic packages.."
+#pacstrap /mnt base base-devel firefox konsole linux linux-firmware linux-zen lvm2 networkmanager nano plasma-desktop sddm sddm-kcm && 
+pacstrap /mnt base firefox grub konsole linux linux-firmware linux-zen lvm2 nano networkmanager plasma-desktop sddm sddm-kcm sudo &&
+echo "Base system installed."
+echo
+
+# Generating fstab.
+echo "Generating fstab."
+genfstab -Up /mnt > /mnt/etc/fstab &&
+echo "Done."
+echo
+
+# Setting hostname.
+echo "Setting hostname"
+echo $host > /mnt/etc/hostname &&
+echo "Done."
+echo
+
+# Setting locale.
+echo "Setting and generating locale."
+#localegen=$(cat /mnt/etc/locale.gen)
+cat <<EOF > /mnt/etc/locale.gen
+en_US.UTF-8 UTF-8
+de_DE.UTF-8 UTF-8
+EOF
+#echo "${localegen}" >>/mnt/etc/locale.gen
+arch-chroot /mnt locale-gen
+echo "LANG=en_US.UTF-8" >/mnt/etc/locale.conf &&
+#echo "LANG=de_DE.UTF-8" >/mnt/etc/locale.conf
+echo "KEYMAP=de-latin1" > /mnt/etc/vconsole.conf &&
+echo "Done."
+echo
+
+# Set X locale and keyboard alyout.
+echo "Setting locale and keyboard layout."
+arch-chroot /mnt localectl --no-convert set-keymap de-latin1-nodeadkeys &&
+
+cat << EOF > /mnt/etc/X11/xorg.conf.d/00-keyboard.conf &&
+# Written by systemd-localed(8), read by systemd-localed and Xorg. It's
+# probably wise not to edit this file manually. Use localectl(1) to
+# instruct systemd-localed to update it.
+Section "InputClass"
+        Identifier "system-keyboard"
+        MatchIsKeyboard "on"
+        Option "XkbLayout" "de"
+        Option "XkbModel" "pc105"
+        Option "XkbVariant" "deadgraveacute"
+EndSection
+EOF
+echo "Done."
+echo
+
+# Editing mkinitcpio.conf.
+echo "Editing /etc/mkinitcpio.conf."
+sed -i '7s/.*/MODULES=(ext4)/' /mnt/etc/mkinitcpio.conf &&
+sed -i '52s/.*/HOOKS=(base udev autodetect modconf block keyboard keymap encrypt lvm2 filesystems fsck shutdown)/' /mnt/etc/mkinitcpio.conf &&
+echo "Done."
+echo
+
+# Creating inital ramdisk.
+echo "Creating inital ramdisk for linux-zen."
+arch-chroot /mnt mkinitcpio -p linux-zen &&
+echo "Done."
+echo
+
+# Enable network and display manager.
+echo "Enabling Networkmanager and display manager (sddm)."
+arch-chroot /mnt systemctl enable NetworkManager sddm &&
+echo "Done."
+echo
+
+# Set root password
+echo "Setting root password:"
+echo -en "$pwrt\n$pwrt" | arch-chroot /mnt passwd
+echo "Done."
+echo
+
+# Install bootloader.
+echo "Installing GRUB."
+grub-install /dev/$dev &&
+grub-mkconfig -o /boot/grub/grub.cfg &&
+echo "Done."
+echo
+
+#########################################################################################################################
+exit
+
+# Set bootloader entry.
+echo "Setting up bootloader."
+cat << EOF > /mnt/boot/loader/entries/arch.conf &&
+title   Arch Linux
+linux   /vmlinuz-linux-zen
+#initrd  /amd-ucode.img 
+#initrd  /intel-ucode.img
+initrd  /initramfs-linux-zen.img
+options cryptdevice=/dev/$main:lvm
+options root=/dev/mapper/main-root rw
+options lang=de locale=de_DE.UTF-8
+options init=/usr/lib/systemd/systemd
+#options loglevel=3
+EOF
+
+# Set bootloader fallback entry.
+cat << EOF > /mnt/boot/loader/entries/arch-fallback.conf &&
+title   Arch Linux Fallback
+linux   /vmlinuz-linux
+initrd  /initramfs-linux-fallback.img
+options cryptdevice=/dev/$main:lvm
+options root=/dev/mapper/main-root rw
+options lang=de locale=de_DE.UTF-8
+options init=/usr/lib/systemd/systemd
+EOF
+
+# Set bootloader.
+echo "timeout 1" >> /mnt/boot/loader/loader.conf &&
+echo "default arch.conf" >> /mnt/boot/loader/loader.conf &&
+echo "Done."
+echo
+
+# Set username, password and group.
+echo "Adding user."
+arch-chroot /mnt useradd -m $user &&
+echo -en "$pwur\n$pwur" | arch-chroot /mnt passwd $user &&
+arch-chroot /mnt gpasswd -a $user wheel &&
+sed -i '82s/.*/%wheel ALL=(ALL) ALL/' /mnt/etc/sudoers &&
+echo "Done."
+echo
+
+# Enabling sddm auto-login.
+echo "Enabling auto-login."
+mkdir /mnt/etc/sddm.conf.d &&
+cat << EOF > /mnt/etc/sddm.conf.d/autologin.conf
+[Autologin]
+User=$user
+Session=plasma
+EOF
+echo "Done."
+echo
+
+# Unmounting and rebooting.
+echo "Unmounting system."
+umount /mnt/boot &&
+umount /mnt/home &&
+echo "Done."
+echo
+
+clear
+
+echo "Installation finished!"
+echo "Press [Enter] to shut down, then remove the installation media and start your system."
+poweroff