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+#  Introduction
 
 Welcome to the Wiki. This Wiki is focused on the configuration after installing the Arch Linux basic installation and works with a simple window manager like Dynamic Windows Manager (DWM) or KDE plasma without full utilities installed on it (only xorg, plasma, plasma-wayland-session) .
 
+Thus, most of the configuration and packages installation must be done by the user. Here you will find my basic process to configure a MacBook Air and MacPro computer using the DWM manager.
+
+# Display configuration
+The display configuration is done by using the `xrandr` package. In this case, the main video output is `eDP-1`, then, the main configuration is done by using:
+
+```
+$ xrandr --output eDP1 --mode 1440x900
+```
+
+## Two monitors or extended desk
+Configuring two monitors can be done by using also the `xrandr` package, but using the `--right-of`  or `left-of` options:
+
+```
+$ xrandr --output DP-1 --mode 1920x1080 --rotate left --right-of eDP-1
+```
+
+in this example, the second monitor is the `DP-1` output and the main monitor is the `eDP-1` 
+
+
+
+#  Mouse and Touchpad
+
+The mouse and touchpad configuration is by using: 
 
 ```
 [gmarx@arch ~]$ cat  /etc/X11/xorg.conf.d/30-touchpad.conf