diff --git a/README.md b/README.md
index 5651592..7172161 100644
--- a/README.md
+++ b/README.md
@@ -33,12 +33,14 @@ The Idea was a Development Environment runnable by almost everything. No GUI nee
 | **Shell** | [Zsh](https://www.zsh.org) + [Oh My Zsh](https://ohmyz.sh) | Autosuggestions, syntax highlighting, smart completions |
 | **Prompt** | [Starship](https://starship.rs) | Fast, minimal, git-aware prompt |
 | **Git** | [Lazygit](https://github.com/jesseduffield/lazygit) | Beautiful terminal UI for git |
+| **File Manager** | [Yazi](https://yazi-rs.github.io) | Blazing fast terminal file manager with image preview |
 | **Serial** | [tio](https://github.com/tio/tio) | Simple serial device I/O |
+| **Font** | [JetBrainsMono Nerd Font](https://www.nerdfonts.com) | Icons and ligatures for all TUI tools |
 | **Theme** | 5 colorschemes | Consistent look across every tool (see below) |
 
 ### Colorschemes
 
-The installer lets you pick a theme that is applied **consistently** across Neovim, Starship, Zellij, and Lazygit:
+The installer lets you pick a theme that is applied **consistently** across Neovim, Starship, Zellij, Lazygit, and Yazi:
 
 | # | Theme | Style |
 |---|---|---|
@@ -54,7 +56,7 @@ You can **switch themes at any time** after installation:
 archduino-theme    # or just: theme
 ```
 
-This updates Starship, Zellij, Lazygit, and NvChad in one step.
+This updates Starship, Zellij, Lazygit, Yazi, and NvChad in one step.
 
 ### Supported Boards (out of the box)
 
@@ -84,7 +86,7 @@ The installer will:
 2. Let you pick your **colorscheme** (applied to all tools)
 3. Let you choose between **progress bar** or **verbose** output
 4. Ask for your sudo password **once** (cached for the entire install)
-5. Run through all 9 setup steps automatically
+5. Run through all 11 setup steps automatically
 
 After it finishes, start a new shell or run `source ~/.zshrc`.
 
@@ -105,10 +107,12 @@ ArduinoArch/
     │   ├── nord.sh         # Nord configs
     │   └── dracula.sh      # Dracula configs
     ├── packages.sh         # Base packages (build tools, ripgrep, fd, bat, etc.)
+    ├── fonts.sh            # JetBrainsMono Nerd Font installation
     ├── zsh.sh              # Oh My Zsh + plugins
     ├── starship.sh         # Starship prompt config
     ├── zellij.sh           # Zellij + config + Arduino workspace layout
     ├── neovim.sh           # Neovim + NvChad + plugin configs (Arduino, LSP)
+    ├── yazi.sh             # Yazi file manager + themed config
     ├── arduino.sh          # Arduino CLI + AVR/ESP32/ESP8266 cores + common libraries
     ├── git.sh              # Lazygit config
     ├── scaffold.sh         # `arduino-new` scaffolding tool + board templates
@@ -191,6 +195,7 @@ All keybindings are under `<leader>a`:
 | `acb` | `arduino-cli board list` |
 | `lg` | `lazygit` |
 | `v` | `nvim` |
+| `y` | `yazi` (file manager) |
 | `theme` | `archduino-theme` (switch colorscheme) |
 
 ---
diff --git a/install.sh b/install.sh
index dd52f2d..e09d129 100644
--- a/install.sh
+++ b/install.sh
@@ -75,10 +75,12 @@ fi
 
 # ── Run install steps ───────────────────────────────────────────
 source "$SCRIPT_DIR/lib/packages.sh"
+source "$SCRIPT_DIR/lib/fonts.sh"
 source "$SCRIPT_DIR/lib/zsh.sh"
 source "$SCRIPT_DIR/lib/starship.sh"
 source "$SCRIPT_DIR/lib/zellij.sh"
 source "$SCRIPT_DIR/lib/neovim.sh"
+source "$SCRIPT_DIR/lib/yazi.sh"
 source "$SCRIPT_DIR/lib/arduino.sh"
 source "$SCRIPT_DIR/lib/git.sh"
 source "$SCRIPT_DIR/lib/scaffold.sh"
diff --git a/lib/arduino.sh b/lib/arduino.sh
index 3e5a72f..4efe8b4 100644
--- a/lib/arduino.sh
+++ b/lib/arduino.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 7: Arduino CLI + board cores
 
-step "7/9 — Installing Arduino CLI + board cores"
+step "9/11 — Installing Arduino CLI + board cores"
 
 if $IS_ARCH; then
   $PKG_INSTALL arduino-cli
diff --git a/lib/common.sh b/lib/common.sh
index 22730a0..ad00ba6 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -13,7 +13,7 @@ NC='\033[0m'
 VERBOSE=true
 LOG_FILE="/tmp/archduino-install.log"
 CURRENT_STEP=0
-TOTAL_STEPS=10
+TOTAL_STEPS=12
 
 info() { echo -e "${GREEN}[✓]${NC} $1"; }
 warn() { echo -e "${YELLOW}[!]${NC} $1"; }
@@ -39,7 +39,7 @@ draw_progress() {
 }
 
 begin_quiet_mode() {
-  $IS_WSL && TOTAL_STEPS=11
+  $IS_WSL && TOTAL_STEPS=13
   : >"$LOG_FILE"
 
   # Save real terminal to fd 3/4, redirect everything else to log
diff --git a/lib/fonts.sh b/lib/fonts.sh
new file mode 100644
index 0000000..ffbda87
--- /dev/null
+++ b/lib/fonts.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+# Step 2: Nerd Font installation
+
+step "2/11 — Installing Nerd Font"
+
+FONT_DIR="$HOME/.local/share/fonts/NerdFonts"
+FONT_NAME="JetBrainsMono"
+
+if fc-list 2>/dev/null | grep -qi "JetBrainsMono Nerd"; then
+  info "JetBrainsMono Nerd Font already installed"
+else
+  mkdir -p "$FONT_DIR"
+  curl -ksSLo /tmp/JetBrainsMono.tar.xz \
+    "https://github.com/ryanoasis/nerd-fonts/releases/latest/download/JetBrainsMono.tar.xz"
+  tar xf /tmp/JetBrainsMono.tar.xz -C "$FONT_DIR"
+  rm -f /tmp/JetBrainsMono.tar.xz
+  fc-cache -f 2>/dev/null || true
+  info "JetBrainsMono Nerd Font installed to $FONT_DIR"
+fi
+
+if $IS_WSL; then
+  warn "WSL detected: You must also install a Nerd Font on the Windows side."
+  warn "Download from: https://www.nerdfonts.com/font-downloads"
+  warn "Then set 'JetBrainsMono Nerd Font' in your terminal settings (Windows Terminal, etc.)."
+fi
diff --git a/lib/git.sh b/lib/git.sh
index cc9229b..e726210 100644
--- a/lib/git.sh
+++ b/lib/git.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 8: Git + Lazygit
 
-step "8/9 — Setting up Git + Lazygit"
+step "10/11 — Setting up Git + Lazygit"
 
 if $IS_ARCH; then
   $PKG_INSTALL lazygit
diff --git a/lib/neovim.sh b/lib/neovim.sh
index 5e190b4..2acecdf 100644
--- a/lib/neovim.sh
+++ b/lib/neovim.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Steps 5+6: Neovim + NvChad
 
-step "5/9 — Installing Neovim (latest)"
+step "6/11 — Installing Neovim (latest)"
 
 NVIM_NEEDED=true
 if command -v nvim &>/dev/null; then
@@ -21,7 +21,7 @@ if $NVIM_NEEDED; then
   info "Neovim installed: $(nvim --version | head -1)"
 fi
 
-step "6/9 — Setting up NvChad"
+step "7/11 — Setting up NvChad"
 
 NVIM_CFG="$HOME/.config/nvim"
 NVCHAD_FRESH=false
diff --git a/lib/packages.sh b/lib/packages.sh
index b9ffcf3..486a42b 100644
--- a/lib/packages.sh
+++ b/lib/packages.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 1: Base packages
 
-step "1/9 — Installing base packages"
+step "1/11 — Installing base packages"
 
 if $IS_ARCH; then
   sudo pacman -Syu --noconfirm
diff --git a/lib/scaffold.sh b/lib/scaffold.sh
index f233ba1..0bb53d1 100644
--- a/lib/scaffold.sh
+++ b/lib/scaffold.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 9: Project scaffolding tool + templates
 
-step "9/9 — Creating project scaffolding tool"
+step "11/11 — Creating project scaffolding tool"
 
 mkdir -p ~/.local/bin ~/.config/archduino/templates
 
@@ -215,6 +215,11 @@ info "Zellij updated"
 write_lazygit_config ~/.config/lazygit/config.yml
 info "Lazygit updated"
 
+# Yazi
+mkdir -p ~/.config/yazi
+write_yazi_config ~/.config/yazi/theme.toml
+info "Yazi updated"
+
 # NvChad
 NVIM_CFG="$HOME/.config/nvim"
 if [[ -f "$NVIM_CFG/lua/chadrc.lua" ]]; then
diff --git a/lib/shell-config.sh b/lib/shell-config.sh
index 9b4971e..b21be2a 100644
--- a/lib/shell-config.sh
+++ b/lib/shell-config.sh
@@ -26,6 +26,7 @@ alias acm="arduino-cli monitor"
 alias acb="arduino-cli board list"
 alias lg="lazygit"
 alias v="nvim"
+alias y="yazi"
 alias theme="archduino-theme"
 # ── END ARCHDUINO ───────────────────────────────────────────────'
 
diff --git a/lib/starship.sh b/lib/starship.sh
index 9d4a988..e8b265c 100644
--- a/lib/starship.sh
+++ b/lib/starship.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 3: Starship prompt
 
-step "3/9 — Installing Starship"
+step "4/11 — Installing Starship"
 
 if $IS_ARCH; then
   $PKG_INSTALL starship
diff --git a/lib/themes/catppuccin.sh b/lib/themes/catppuccin.sh
index 60eb9ad..ac5f141 100644
--- a/lib/themes/catppuccin.sh
+++ b/lib/themes/catppuccin.sh
@@ -90,3 +90,38 @@ gui:
       - "#cdd6f4"
 YAML
 }
+
+write_yazi_config() {
+  cat >"$1" <<'TOML'
+[manager]
+cwd = { fg = "#f9e2af" }
+tab_active = { fg = "#1e1e2e", bg = "#f9e2af" }
+tab_inactive = { fg = "#bac2de", bg = "#313244" }
+border_symbol = "│"
+border_style = { fg = "#585b70" }
+count_copied = { fg = "#1e1e2e", bg = "#a6e3a1" }
+count_cut = { fg = "#1e1e2e", bg = "#f38ba8" }
+count_selected = { fg = "#1e1e2e", bg = "#f9e2af" }
+
+[status]
+separator_open = ""
+separator_close = ""
+mode_normal = { fg = "#1e1e2e", bg = "#a6e3a1", bold = true }
+mode_select = { fg = "#1e1e2e", bg = "#f9e2af", bold = true }
+mode_unset = { fg = "#1e1e2e", bg = "#f38ba8", bold = true }
+progress_label = { fg = "#cdd6f4", bold = true }
+progress_normal = { fg = "#89b4fa", bg = "#313244" }
+progress_error = { fg = "#f38ba8", bg = "#313244" }
+
+[input]
+border = { fg = "#f9e2af" }
+title = {}
+value = {}
+selected = { reversed = true }
+
+[select]
+border = { fg = "#f9e2af" }
+active = { fg = "#a6e3a1", bold = true }
+inactive = {}
+TOML
+}
diff --git a/lib/themes/dracula.sh b/lib/themes/dracula.sh
index 7fc6284..b760f13 100644
--- a/lib/themes/dracula.sh
+++ b/lib/themes/dracula.sh
@@ -90,3 +90,38 @@ gui:
       - "#f8f8f2"
 YAML
 }
+
+write_yazi_config() {
+  cat >"$1" <<'TOML'
+[manager]
+cwd = { fg = "#f1fa8c" }
+tab_active = { fg = "#282a36", bg = "#f1fa8c" }
+tab_inactive = { fg = "#bfbfbf", bg = "#44475a" }
+border_symbol = "│"
+border_style = { fg = "#6272a4" }
+count_copied = { fg = "#282a36", bg = "#50fa7b" }
+count_cut = { fg = "#282a36", bg = "#ff5555" }
+count_selected = { fg = "#282a36", bg = "#f1fa8c" }
+
+[status]
+separator_open = ""
+separator_close = ""
+mode_normal = { fg = "#282a36", bg = "#50fa7b", bold = true }
+mode_select = { fg = "#282a36", bg = "#f1fa8c", bold = true }
+mode_unset = { fg = "#282a36", bg = "#ff5555", bold = true }
+progress_label = { fg = "#f8f8f2", bold = true }
+progress_normal = { fg = "#bd93f9", bg = "#44475a" }
+progress_error = { fg = "#ff5555", bg = "#44475a" }
+
+[input]
+border = { fg = "#f1fa8c" }
+title = {}
+value = {}
+selected = { reversed = true }
+
+[select]
+border = { fg = "#f1fa8c" }
+active = { fg = "#50fa7b", bold = true }
+inactive = {}
+TOML
+}
diff --git a/lib/themes/gruvbox.sh b/lib/themes/gruvbox.sh
index f33101d..7cb1ce5 100644
--- a/lib/themes/gruvbox.sh
+++ b/lib/themes/gruvbox.sh
@@ -90,3 +90,38 @@ gui:
       - "#ebdbb2"
 YAML
 }
+
+write_yazi_config() {
+  cat >"$1" <<'TOML'
+[manager]
+cwd = { fg = "#fabd2f" }
+tab_active = { fg = "#282828", bg = "#fabd2f" }
+tab_inactive = { fg = "#a89984", bg = "#3c3836" }
+border_symbol = "│"
+border_style = { fg = "#665c54" }
+count_copied = { fg = "#282828", bg = "#b8bb26" }
+count_cut = { fg = "#282828", bg = "#fb4934" }
+count_selected = { fg = "#282828", bg = "#fabd2f" }
+
+[status]
+separator_open = ""
+separator_close = ""
+mode_normal = { fg = "#282828", bg = "#b8bb26", bold = true }
+mode_select = { fg = "#282828", bg = "#fabd2f", bold = true }
+mode_unset = { fg = "#282828", bg = "#fb4934", bold = true }
+progress_label = { fg = "#ebdbb2", bold = true }
+progress_normal = { fg = "#458588", bg = "#3c3836" }
+progress_error = { fg = "#fb4934", bg = "#3c3836" }
+
+[input]
+border = { fg = "#fabd2f" }
+title = {}
+value = {}
+selected = { reversed = true }
+
+[select]
+border = { fg = "#fabd2f" }
+active = { fg = "#b8bb26", bold = true }
+inactive = {}
+TOML
+}
diff --git a/lib/themes/nord.sh b/lib/themes/nord.sh
index 5761c41..6d393ed 100644
--- a/lib/themes/nord.sh
+++ b/lib/themes/nord.sh
@@ -90,3 +90,38 @@ gui:
       - "#d8dee9"
 YAML
 }
+
+write_yazi_config() {
+  cat >"$1" <<'TOML'
+[manager]
+cwd = { fg = "#ebcb8b" }
+tab_active = { fg = "#2e3440", bg = "#ebcb8b" }
+tab_inactive = { fg = "#e5e9f0", bg = "#3b4252" }
+border_symbol = "│"
+border_style = { fg = "#4c566a" }
+count_copied = { fg = "#2e3440", bg = "#a3be8c" }
+count_cut = { fg = "#2e3440", bg = "#bf616a" }
+count_selected = { fg = "#2e3440", bg = "#ebcb8b" }
+
+[status]
+separator_open = ""
+separator_close = ""
+mode_normal = { fg = "#2e3440", bg = "#a3be8c", bold = true }
+mode_select = { fg = "#2e3440", bg = "#ebcb8b", bold = true }
+mode_unset = { fg = "#2e3440", bg = "#bf616a", bold = true }
+progress_label = { fg = "#d8dee9", bold = true }
+progress_normal = { fg = "#81a1c1", bg = "#3b4252" }
+progress_error = { fg = "#bf616a", bg = "#3b4252" }
+
+[input]
+border = { fg = "#ebcb8b" }
+title = {}
+value = {}
+selected = { reversed = true }
+
+[select]
+border = { fg = "#ebcb8b" }
+active = { fg = "#a3be8c", bold = true }
+inactive = {}
+TOML
+}
diff --git a/lib/themes/tokyonight.sh b/lib/themes/tokyonight.sh
index 78f5143..067808b 100644
--- a/lib/themes/tokyonight.sh
+++ b/lib/themes/tokyonight.sh
@@ -90,3 +90,38 @@ gui:
       - "#c0caf5"
 YAML
 }
+
+write_yazi_config() {
+  cat >"$1" <<'TOML'
+[manager]
+cwd = { fg = "#e0af68" }
+tab_active = { fg = "#1a1b26", bg = "#e0af68" }
+tab_inactive = { fg = "#a9b1d6", bg = "#283457" }
+border_symbol = "│"
+border_style = { fg = "#3b4261" }
+count_copied = { fg = "#1a1b26", bg = "#9ece6a" }
+count_cut = { fg = "#1a1b26", bg = "#f7768e" }
+count_selected = { fg = "#1a1b26", bg = "#e0af68" }
+
+[status]
+separator_open = ""
+separator_close = ""
+mode_normal = { fg = "#1a1b26", bg = "#9ece6a", bold = true }
+mode_select = { fg = "#1a1b26", bg = "#e0af68", bold = true }
+mode_unset = { fg = "#1a1b26", bg = "#f7768e", bold = true }
+progress_label = { fg = "#c0caf5", bold = true }
+progress_normal = { fg = "#7aa2f7", bg = "#283457" }
+progress_error = { fg = "#f7768e", bg = "#283457" }
+
+[input]
+border = { fg = "#e0af68" }
+title = {}
+value = {}
+selected = { reversed = true }
+
+[select]
+border = { fg = "#e0af68" }
+active = { fg = "#9ece6a", bold = true }
+inactive = {}
+TOML
+}
diff --git a/lib/yazi.sh b/lib/yazi.sh
new file mode 100644
index 0000000..3158f5e
--- /dev/null
+++ b/lib/yazi.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+# Step 8: Yazi file manager
+
+step "8/11 — Installing Yazi"
+
+if $IS_ARCH; then
+  $PKG_INSTALL yazi ffmpegthumbnailer p7zip poppler
+else
+  YAZI_VERSION=$(curl -ks "https://api.github.com/repos/sxyazi/yazi/releases/latest" | jq -r '.tag_name')
+  curl -ksSLo /tmp/yazi.zip "https://github.com/sxyazi/yazi/releases/download/${YAZI_VERSION}/yazi-x86_64-unknown-linux-musl.zip"
+  unzip -qo /tmp/yazi.zip -d /tmp/yazi-extract
+  sudo install -m 755 /tmp/yazi-extract/yazi-x86_64-unknown-linux-musl/yazi /usr/local/bin/yazi
+  rm -rf /tmp/yazi.zip /tmp/yazi-extract
+  # Optional thumbnailer/preview deps
+  sudo apt install -y ffmpegthumbnailer p7zip-full poppler-utils 2>/dev/null || true
+fi
+info "Yazi installed/updated"
+
+mkdir -p ~/.config/yazi
+backup_config ~/.config/yazi/theme.toml
+write_yazi_config ~/.config/yazi/theme.toml
+info "Yazi configured with $THEME_DISPLAY_NAME"
diff --git a/lib/zellij.sh b/lib/zellij.sh
index dd08fbe..93afc02 100644
--- a/lib/zellij.sh
+++ b/lib/zellij.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 4: Zellij terminal multiplexer
 
-step "4/9 — Installing Zellij"
+step "5/11 — Installing Zellij"
 
 if $IS_ARCH; then
   $PKG_INSTALL zellij
diff --git a/lib/zsh.sh b/lib/zsh.sh
index 48bb2b7..4582d27 100644
--- a/lib/zsh.sh
+++ b/lib/zsh.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Step 2: Zsh + Oh My Zsh + plugins
 
-step "2/9 — Setting up Zsh"
+step "3/11 — Setting up Zsh"
 
 if [[ ! -d "$HOME/.oh-my-zsh" ]]; then
   RUNZSH=no KEEP_ZSHRC=yes CHSH=no sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended ||