To install the Arch Linux bootloader on your system, you will need to first boot your computer using the Arch Linux installation media. Once you have booted into the installation environment, follow these steps:
1. Connect to the internet by using a wired or wireless connection.
2. Use the `fdisk` command to create a new partition for the bootloader. If you are unsure about how to use `fdisk`, you can use the `fdisk -l` command to list all of the available partitions on your system.
3. Format the partition you created in step 2 as a `FAT32` filesystem. You can use the `mkfs.fat` command to do this.
4. Mount the partition you just created to the `/mnt` directory. You can use the `mount` command to do this.
5. Install the `GRUB` bootloader on the partition you just created. You can use the `grub-install` command to do this.
6. Generate the `GRUB` configuration file by using the `grub-mkconfig` command.
7. Reboot your system and verify that the `GRUB` bootloader has been installed correctly.
Keep in mind that these instructions are a general overview of the process for installing the Arch Linux bootloader. Depending on your specific system configuration, the exact steps you need to follow may be slightly different. If you encounter any problems or have any questions, it is always a good idea to consult the Arch Linux documentation or seek help from the Arch Linux community.