Separate OS update and ATX into a dedicated section

docs/v1.md

@@ -170,7 +170,11 @@ You will see the initial dashboard screen of the PiKVM where you can access the
 
 ### Change the default passwords
 
-For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time. To do that:
+For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time.
+
+!!! danger "Please ensure that you change both passwords: for web UI access and for the superuser (root)"
+
+To do that:
 
 1. On the initial dashboard screen, click the **Terminal** button to open the web terminal. You will see this command line interface:
 
@@ -228,21 +232,25 @@ For security's sake, it's best to change the default passwords immediately after
 
     ![Work remotely](../v4/remote-screen.png){ width="450" }
 
-## Further steps
+## Important next steps
+
+- We strongly recommend to update the PiKVM OS after the first launch:
+
+    {!_update_os.md!}
+
+- Set up [ATX connection](atx_board.md) if you need to control the power of the remote system.
+
+## Further recommendations
 
 1. **Get to know PiKVM OS**: read [this help section](webui.md) to better understand all the possibilities of the web user interface.
 
-2. **Update and customize the system**:
+2. **Customize the system**:
 
     - [Update](_update_os.md) the PiKVM operating system.
     - [Harden the remote access](auth.md) by enabling 2FA and setting session expiration time.
     - Configure access to PiKVM from the Internet using [port forwarding](port_forwarding.md) or [Tailscale VPN](tailscale.md).
     - [Learn](config.md) how configuration files are structured.
 
-3. **Configure hardware**:
-
-    - Set up [ATX connection](atx_board.md).
-
 ## Known issues and limitations
 
 **Max resolution**. PiKVM V1 with CSI bridge can only handle the maximum resolution 1920x1080@50Hz, 60Hz is not supported due hardware limitation. You can use any other resolution less than the specified one, for example 1280x720@60Hz. If you have any problems with video on CSI bridge, follow [this guide](edid.md).

docs/v2.md

@@ -201,7 +201,11 @@ You will see the initial dashboard screen of the PiKVM where you can access the
 
 ### Change the default passwords
 
-For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time. To do that:
+For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time.
+
+!!! danger "Please ensure that you change both passwords: for web UI access and for the superuser (root)"
+
+To do that:
 
 1. On the initial dashboard screen, click the **Terminal** button to open the web terminal. You will see this command line interface:
 
@@ -259,21 +263,25 @@ For security's sake, it's best to change the default passwords immediately after
 
     ![Work remotely](../v4/remote-screen.png){ width="450" }
 
-## Further steps
+## Important next steps
+
+- We strongly recommend to update the PiKVM OS after the first launch:
+
+    {!_update_os.md!}
+
+- Set up [ATX connection](atx_board.md) if you need to control the power of the remote system.
+
+## Further recommendations
 
 1. **Get to know PiKVM OS**: read [this help section](webui.md) to better understand all the possibilities of the web user interface.
 
-2. **Update and customize the system**:
+2. **Customize the system**:
 
     - [Update](_update_os.md) the PiKVM operating system.
     - [Harden the remote access](auth.md) by enabling 2FA and setting session expiration time.
     - Configure access to PiKVM from the Internet using [port forwarding](port_forwarding.md) or [Tailscale VPN](tailscale.md).
     - [Learn](config.md) how configuration files are structured.
 
-3. **Configure hardware**:
-
-    - Set up [ATX connection](atx_board.md).
-
 ## Known issues and limitations
 
 **Max resolution**. PiKVM V2 with CSI bridge can only handle the maximum resolution 1920x1080@50Hz, 60Hz is not supported due hardware limitation. You can use any other resolution less than the specified one, for example 1280x720@60Hz. If you have any problems with video on CSI bridge, follow [this guide](edid.md).

docs/v3.md

@@ -156,7 +156,11 @@ You will see the initial dashboard screen of the PiKVM where you can access the
 
 ### Change the default passwords
 
-For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time. To do that:
+For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time.
+
+!!! danger "Please ensure that you change both passwords: for web UI access and for the superuser (root)"
+
+To do that:
 
 1. On the initial dashboard screen, click the **Terminal** button to open the web terminal. You will see this command line interface:
 
@@ -214,16 +218,20 @@ For security's sake, it's best to change the default passwords immediately after
 
     ![Work remotely](../v4/remote-screen.png){ width="450" }
 
-## Further steps
+## Important next steps
-
-1. **Get to know PiKVM OS**: read [this help section](webui.md) to better understand all the possibilities of the web user interface.
-
-2. **Update and customize the system**:
 
 - We strongly recommend to update the PiKVM OS after the first launch:
 
     {!_update_os.md!}
 
+- Set up [ATX connection](atx_board.md) if you need to control the power of the remote system.
+
+## Further recommendations
+
+1. **Get to know PiKVM OS**: read [this help section](webui.md) to better understand all the possibilities of the web user interface.
+
+2. **Customize the system**:
+
     - [Harden the remote access](auth.md) by enabling 2FA.
     - Configure access to PiKVM from the Internet using [port forwarding](port_forwarding.md) or [Tailscale VPN](tailscale.md).
     - Enable a microphone for [two-way audio](audio.md).
@@ -231,8 +239,6 @@ For security's sake, it's best to change the default passwords immediately after
 
 3. **Configure hardware**:
 
-    - Set up [ATX connection](atx_board.md).
-
     - If you bought V3 HAT Assembly Kit and it includes the OLED display and/or the fan, you'll need to turn them on. Note this is only needed for the older V3 image for the HAT, in the box image everything is enabled by default:
 
         ??? note "Enabling the OLED and the fan"

docs/v4.md

@@ -143,7 +143,11 @@ You will see the initial dashboard screen of the PiKVM where you can access the
 
 ### Change the default passwords
 
-For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time. To do that:
+For security's sake, it's best to change the default passwords immediately after running PiKVM for the first time. 
+
+!!! danger "Please ensure that you change both passwords: for web UI access and for the superuser (root)"
+
+To do that:
 
 1. On the initial dashboard screen, click the **Terminal** button to open the web terminal. You will see this command line interface:
 
@@ -201,16 +205,20 @@ For security's sake, it's best to change the default passwords immediately after
 
     ![Work remotely](remote-screen.png){ width="450" }
 
-## Further steps
+## Important next steps
-
-1. **Get to know PiKVM OS**: read [this help section](webui.md) to better understand all the possibilities of the web user interface.
-
-2. **Update and customize the system**:
 
 - We strongly recommend to update the PiKVM OS after the first launch:
 
     {!_update_os.md!}
 
+- Set up [ATX connection](atx_board.md) if you need to control the power of the remote system.
+
+## Further recommendations
+
+1. **Get to know PiKVM OS**: read [this help section](webui.md) to better understand all the possibilities of the web user interface.
+
+2. **Customize the system**:
+
     - [Harden the remote access](auth.md) by enabling 2FA.
     - Configure access to PiKVM from the Internet using [port forwarding](port_forwarding.md) or [Tailscale VPN](tailscale.md).
     - Enable a microphone for [two-way audio](audio.md).
@@ -219,7 +227,6 @@ For security's sake, it's best to change the default passwords immediately after
 
 3. **Configure hardware**:
 
-    - Set up [ATX connection](atx_board.md).
     - Install and set up [Wi-Fi antenna](wifi.md).
     - Install and set up [LTE/5G modem](modem.md) (**only for PiKVM V4 Plus**).