diff --git a/docs/hero_mdbook_fullvm.md b/docs/hero_mdbook_fullvm.md
index c084777..b39b2e8 100644
--- a/docs/hero_mdbook_fullvm.md
+++ b/docs/hero_mdbook_fullvm.md
@@ -5,13 +5,9 @@
 - [Introduction](#introduction)
 - [Setting the Full VM](#setting-the-full-vm)
   - [Remote Explorer Access](#remote-explorer-access)
-  - [Install cargo and mdbook](#install-cargo-and-mdbook)
-  - [Install redis](#install-redis)
-  - [Install pkg-config, gcc and libssl](#install-pkg-config-gcc-and-libssl)
-- [Set Hero](#set-hero)
-- [Generate the mdbook](#generate-the-mdbook)
-- [Serve and View the mdbook](#serve-and-view-the-mdbook)
-- [Questions and Feedback](#questions-and-feedback)
+- [Set the SSH Key Pair](#set-the-ssh-key-pair)
+- [Install hero, crysallib and V](#install-hero-crysallib-and-v)
+- [Use Hero to Generate mdbooks](#use-hero-to-generate-mdbooks)
 
 ***
 
@@ -32,9 +28,9 @@ To manage the mdbook files, we will be using the remote explorer feature of eith
 We start by deploying a full VM with WireGuard on the TFGrid. We also set an SSH tunnel.
 
 - Deploy a full VM with WireGuard on the TFGrid
-- Set an SSH tunnel, on port 3333 for both local and VM
+- Set an SSH tunnel, on port 5173 for both local and VM
     ```
-    ssh -4 -L 3333:127.0.0.1:3333 root@10.20.4.2
+    ssh -4 -L 5173:127.0.0.1:5173 root@10.20.4.2
     ```
 
 Instead of working on the SSH tunnel terminal window, we will be using the remote explorer feature of a source-code editor.
@@ -52,88 +48,59 @@ You can use the remote explorer feature of both [VSCode](https://marketplace.vis
 - Click on `Connect to Host`
 - Open the main `/root` directory
 - Right-click on the main window of the directory and select `Open in Integrated Terminal`
-- Update and upgrade the VM
+- Update and prepare the VM
     ```
-    apt update && apt upgrade -y
+    apt update && apt install curl -y && apt install openssh-client -y
     ```
 
-### Install cargo and mdbook
+## Set the SSH Key Pair
 
-- Install cargo rust for linux and mac (with default installation)
-    ```
-    curl https://sh.rustup.rs -sSf | sh
-    ```
-- Configure the current shell
-    ```
-    source "$HOME/.cargo/env"
-    ```
-- Install mdbook
-    ```
-    cargo install mdbook
-    ```
+- Generate an SSH key pair
+  - To make it work with info_tfgrid, use books for the filename
+```
+ssh-keygen # save in /root/.ssh/books
+```
+- Note the public key
+```
+cat ~/.ssh/books.pub
+```
+- Add the SSH public key on git.ourworld.tf and github
+  - Optional: on git.ourworld.tf, verify the key
+```
+echo -n 'token' | ssh-keygen -Y sign -n gitea -f /path/to/private/key
+```
+- Start the ssh agent
+```
+eval $(ssh-agent)
+```
+- Add private key to the agent
+```
+ssh-add /root/.ssh/books
+```
 
-### Install redis
+## Install hero, crysallib and V
 
-- Install redis on the VM
-    ```
-    apt install lsb-release curl gpg
-    curl -fsSL https://packages.redis.io/gpg | gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
-    echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/redis.list
-    apt-get update
-    apt-get install redis -y
-    ```
+```
+curl https://raw.githubusercontent.com/freeflowuniverse/crystallib/development/scripts/build_hero.sh > /tmp/build_hero.sh
+bash /tmp/build_hero.sh
+```
 
-### Install pkg-config, gcc and libssl
+## Use Hero to Generate mdbooks
 
-- Install other packages
-    ```
-    apt install pkg-config -y
-    apt-get install gcc -y
-    apt install libssl-dev
-    ```
+- You can download the repository.
+```
+hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/bookname -gp
+```
+- To open the mdbook on your local browser:
 
-## Set Hero
+```
+hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/bookname -o 
+```
 
-- Download the hero installation script
-    ```
-    curl https://raw.githubusercontent.com/freeflowuniverse/crystallib/development/scripts/installer_hero.sh > /tmp/hero_install.sh
-    ```
-- Run the script as root
-    ```
-    bash /tmp/hero_install.sh
-    ```
-- Run hero to confirm the installation is done properly
-    ```
-    hero -help
-    ```
+> Note: In both cases, make sure to replace **bookname** by the name of your book, e.g. test.
 
-## Generate the mdbook
+To see the mdbook online on a local browser (via the file **index.html**), run the following command and open a browser with the URL **localhost:5173**:
+```
+pushd /root/hero/www/info/tfgrid/;  python3 -m http.server 5173; popd; 
+```
 
-- Start the ssh-agent
-    ```
-    eval $(ssh-agent)
-    ```
-- Generate the mdbook with hero
-    ```
-    hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript
-    ```
-- Change directory to where the book is built
-    ```
-    cd /root/hero/var/mdbuild/book_name
-    ```
-- You can then edit the content of the book as with any mdbook
-    ```
-    mdbook build
-    ```
-
-## Serve and View the mdbook
-
-- To serve on your local machine, make sure to use the same part as the one set in your SSH tunnel (here it's port 3333)
-    ```
-    mdbook serve --port 3333 
-    ```
-- To see the mdbook live, open a browser on the local machine and go to localhost:3333
-
-## Questions and Feedback
-
-If you have any questions or feedback, please let us know by either writing a post on the [ThreeFold Forum](https://forum.threefold.io/), or by chatting with us on the [TF Grid Tester Community](https://t.me/threefoldtesting) Telegram channel.
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