Windows Configuration Steps

1. Navigate to WezTerm Config Directory.

   Create a file name .wezterm.lua in you %USERPROFILE% directory.

   vim %USERPROFILE%\.wezterm.lua
   -- vim ~/.wezterm.lua  <--[Linux/WSL or macOS]

2. Add the Following Config.

   Copy and paste the following configuration into your .wezterm.lua file.

   local wezterm = require("wezterm")
   
   local config = wezterm.config_builder()
   
   -- you can add custom color_scheme
   config.color_scheme = "Catppuccin Mocha"
   
   -- you can add custom font
   config.font = wezterm.font("JetBrains Mono")
   
   --Key Binding
   config.keys = {
       { key = "2", mods = "ALT", action = wezterm.action({ SplitHorizontal = { domain = "CurrentPaneDomain" } }) },
       { key = "3", mods = "ALT", action = wezterm.action({ SplitVertical = { domain = "CurrentPaneDomain" } }) },
       { key = "LeftArrow", mods = "CTRL", action = wezterm.action({ ActivatePaneDirection = "Left" }) },
       { key = "RightArrow", mods = "CTRL", action = wezterm.action({ ActivatePaneDirection = "Right" }) },
       { key = "UpArrow", mods = "CTRL", action = wezterm.action({ ActivatePaneDirection = "Up" }) },
       { key = "DownArrow", mods = "CTRL", action = wezterm.action({ ActivatePaneDirection = "Down" }) },
       { key = "RightArrow", mods = "ALT|SHIFT", action = wezterm.action({ AdjustPaneSize = { "Right", 1 } }) },
       { key = "LeftArrow", mods = "ALT|SHIFT", action = wezterm.action({ AdjustPaneSize = { "Left", 1 } }) },
       { key = "DownArrow", mods = "ALT|SHIFT", action = wezterm.action({ AdjustPaneSize = { "Down", 1 } }) },
       { key = "UpArrow", mods = "ALT|SHIFT", action = wezterm.action({ AdjustPaneSize = { "Up", 1 } }) },
   }
   
   return config
   

3. Save the File

   Run Wezterm and use Key-Binding that are give below .

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Key Bindings in .wezterm.lua .

Action	Key Combination	Description
Pane Splitting
Split to the right	ALT + 2	Split the current pane horizontally
Split to the bottom	ALT + 3	Split the current pane vertically
Pane Navigation
Move to the left pane	CTRL + LeftArrow	Switch to the pane on the left
Move to the right pane	CTRL + RightArrow	Switch to the pane on the right
Move to the top pane	CTRL + UpArrow	Switch to the pane above
Move to the bottom pane	CTRL + DownArrow	Switch to the pane below
Pane Resizing
Increase pane width	ALT + SHIFT + RightArrow	Make the current pane wider
Decrease pane width	ALT + SHIFT + LeftArrow	Make the current pane narrower
Increase pane height	ALT + SHIFT + DownArrow	Make the current pane taller
Decrease pane height	ALT + SHIFT + UpArrow	Make the current pane shorter

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More on Official docs of $WezTwem site .