How To Create a Custom New Command Key in mpc-hc64.exe (MPC-HC 64-bit)

Media Player Classic – Home Cinema (MPC-HC) is popular partly because it’s so customizable. One of its most powerful features is the ability to create custom keyboard shortcuts (hotkeys) for almost any action in the player. If you’re using the 64‑bit version (mpc-hc64.exe), the process is the same as the 32‑bit one, but many users search for it specifically.

This guide explains how custom command keys work in MPC-HC, how to add or change them, and what can affect whether a shortcut will behave the way you expect.

What does “custom new command key” mean in MPC-HC?

In MPC-HC, a command is any action the player can perform, such as:

• Play, pause, stop
• Seek forward/backward
• Change subtitle track
• Adjust playback speed or volume
• Toggle full screen, always on top, frame step, etc.

A command key (or hotkey) is a keyboard shortcut that triggers one of these commands.

A custom new command key simply means:

• Choosing a command you care about
• Assigning your own key or key combination to it (instead of or in addition to the default one)

MPC-HC uses a built-in system for this, called Keys in its options. You don’t need plugins or external tools; it’s all in the settings.

Where to find the keyboard shortcut settings in mpc-hc64.exe

On Windows, with MPC-HC 64‑bit running:

1. Open MPC-HC (mpc-hc64.exe).
2. Go to the menu: View → Options…
   • Or press O while the player is focused (if not remapped).
3. In the Options window, on the left sidebar, find and click Keys.

This Keys section is where you:

• See a list of all available commands
• View existing assigned shortcuts
• Create new custom command keys
• Remove or modify existing mappings

The interface usually shows a table with columns like:

• Command – the action (e.g., Play/Pause, Fullscreen)
• Default – MPC-HC’s built-in shortcut (if any)
• User – your custom shortcut(s)

Step-by-step: How to create a new custom command key

Here’s the general process to add or change a key:

1. Open the Keys settings

   • As above: View → Options… → Keys.

2. Find the command you want to map

   • Scroll through the list or click into it and start typing the name (e.g., type sub to jump near subtitle-related commands).
   • Click the command row to highlight/select it.

3. Add a new shortcut for that command

   • Below or beside the list, you should see controls like:
     • A field showing the User key(s)
     • Buttons such as Add, Delete, maybe Reset
   • Click Add (this tells MPC-HC you’re about to record a new shortcut).
   • Press the key or key combination you want to use, for example:
     • Ctrl + Alt + F
     • Shift + S
     • F9
   • MPC-HC should display what you pressed in the user mapping field.

4. Check for conflicts

   • If the key combination is already used by another command, MPC-HC may:
     • Show a warning, or
     • Simply list it under multiple commands (which can cause ambiguity depending on context)
   • You can:
     • Accept it and live with the conflict, or
     • Adjust mappings so each critical command gets a unique shortcut.

5. Save your changes

   • Click Apply and then OK.
   • Your new custom key is now active.

Next time you press that key combo while MPC-HC has focus, it should trigger the command you assigned.

Important concepts: global vs local keys, modifiers, and conflicts

When you’re creating a custom new command key in MPC-HC, a few underlying ideas affect how it works in practice.

Local vs global shortcuts

By default, MPC-HC shortcuts are local:

• They only work when MPC-HC is the active window.
• Pressing your custom key while another program is active does nothing in MPC-HC.

MPC-HC also has Global Media Keys support for some controls (like Play/Pause, Next, Previous), often tied to multimedia keys on your keyboard. These can work even when MPC-HC is not the active window, but that behavior depends on:

• Your OS (Windows version)
• Other apps that also try to use global media keys
• How you configure those keys in MPC-HC and/or your keyboard driver software

Not every custom command key can be made global directly through MPC-HC; many users rely on local shortcuts and, if needed, external tools for global behavior.

Using modifiers (Ctrl, Alt, Shift, Win)

A modifier is a key you hold in combination with another key:

• Ctrl, Alt, Shift, and sometimes the Windows key (Win)

Examples:

• Ctrl + Right for seek forward
• Alt + Enter for full screen
• Shift + S for screenshot

Using modifiers is useful because:

• It reduces conflicts with plain typing keys (like A, B, C, etc.)
• It’s less likely to clash with system shortcuts if you avoid common global combos (e.g., Alt + F4, Win + D)

MPC-HC will generally accept many combinations, but some may:

• Be intercepted by Windows before they reach MPC-HC
• Conflict with other software (like screen capture tools, overlays, game launchers)

Conflicts inside MPC-HC

If you assign:

• Ctrl + P to Play/Pause, and
• Ctrl + P to Preferences (hypothetical)

MPC-HC must decide which one “wins” when you press Ctrl+P. This can cause:

• Only one command to trigger
• Or inconsistent behavior depending on internal priority

That’s why it’s good to:

• Scan the list for existing mappings before assigning your custom key
• Clear or change other commands that use the same shortcut if you want a clean setup

Examples of useful custom command keys

You can customize practically any command available in MPC-HC’s list. A few common examples people like to add or change:

These are just illustrations. You can mix and match combinations depending on what feels natural and what doesn’t conflict with your other software.

Variables that affect how well custom keys work

Even though creating the shortcut in MPC-HC is straightforward, how smoothly it works depends on several outside factors.

1. Windows version and system shortcuts

Different versions and editions of Windows:

• Reserve some global shortcuts (e.g., Win + L, Alt + Tab) that MPC-HC can’t override.
• May treat multimedia keys a bit differently.
• Can have different default behaviors for language switching or input methods that use combinations like Alt + Shift or Ctrl + Shift.

If you pick a shortcut that Windows already uses globally, MPC-HC may never receive that key press.

2. Other applications and overlays

Programs that run alongside MPC-HC can also capture keys:

• Game launchers
• Screen recorders or overlays
• Macro tools (AutoHotkey, keyboard manager apps)
• Chat overlays (from gaming platforms or streaming tools)

If another program is listening globally for the same shortcut you chose in MPC-HC, it might:

• Trigger its own action instead
• Block the event before MPC-HC sees it
• Cause both to trigger, which can feel messy

3. Keyboard layout and language

Your keyboard layout (e.g., US English, UK, German, French) changes:

• Which physical keys map to which characters
• What happens when you press certain modifiers + keys

For example:

• A shortcut using ; or [ on a US layout might be in a different physical position on a non-US layout.
• Some layouts make frequent use of keys like AltGr or dead keys, affecting how combinations are interpreted.

The label in MPC-HC might look the same, but the physical key you press could vary by layout.

4. Input method editors (IMEs) and language switchers

If you use IME (for Chinese, Japanese, Korean, etc.) or switch languages frequently:

• Certain key combos (often Alt + Shift or Ctrl + Shift) may be reserved for switching language or mode.
• Shortcuts bound to those combinations might be swallowed by the IME or the language bar.

This can make some MPC-HC shortcuts unreliable unless you pick combinations that don’t collide with your language tools.

5. Technical skill and willingness to tweak

Everyone can create basic custom keys, but how far you go with fine‑tuning depends on comfort level:

• Beginner users may prefer simple, easy‑to‑remember combinations, changing only a few commands.
• Intermediate users may experiment, adjust conflicts, and check Windows settings as needed.
• Advanced users sometimes pair MPC-HC with AutoHotkey or similar tools to:
  • Translate global hotkeys into MPC-HC local commands
  • Create context-aware shortcuts depending on which app is in focus

The more tools you involve, the more you can do—but also the more moving parts you need to understand.

Different user profiles, different shortcut strategies

The same “custom new command key” feature feels very different depending on how you use MPC-HC.

Casual viewer

• Mostly uses Play/Pause, full screen, and maybe volume control.
• Probably fine with default shortcuts, adding one or two extra keys (e.g., a custom Play/Pause they like better).
• Prioritizes memorability and not hitting the wrong key.

For this user, a couple of well-chosen custom keys can make watching more comfortable without much risk of conflicts.

Power user / media enthusiast

• Uses MPC-HC to check frame-by-frame, tweak playback speed, and switch audio/subtitle tracks often.
• Likely to re-map many commands to create a logical layout (e.g., arrow keys and modifiers for navigation and adjustment).
• More sensitive to efficiency: fewer keys pressed, hands rarely leaving a certain area of the keyboard.

This user might design a whole key scheme and is more willing to fix conflicts, adjust Windows shortcuts, and possibly use helper tools.

Captioning, editing, or analysis work

If you’re:

• Working on subtitles or translation
• Doing video analysis (sports, research, editing reference)
• Reviewing specific scenes repeatedly

You might:

• Focus on frame stepping, jump to specific times, and screenshot shortcuts.
• Need precise control and minimal delay between action and response.
• Be more affected by global vs local behavior if you juggle multiple apps at once (e.g., MPC-HC plus a text editor or video editor).

Here, shortcut strategy often revolves around syncing MPC-HC with another program, which influences which keys you choose.

Multi-device or shared PC scenario

On a shared computer or with multiple users:

• Different people may prefer different key sets.
• Default shortcuts might clash with someone’s workflow in another program.
• There may be a need to keep things simple enough that others aren’t confused.

In those setups, you might aim for minimal yet universal custom keys and avoid obscure combinations.

Where your own setup becomes the missing piece

The actual steps to create a custom new command key in mpc-hc64.exe are straightforward: open Options, go to Keys, pick a command, assign a key combo, and save. That part rarely changes.

What changes a lot is:

• Which keys feel natural on your keyboard
• Which combinations don’t conflict with Windows, your language settings, or other programs
• Which commands you actually use the most in your day‑to‑day viewing
• How comfortable you are with tweaking system and third‑party tools if something doesn’t behave the way you expect

Those details are tied closely to your device, your OS version, your keyboard layout, your other software, and how you use MPC-HC.

Once you understand how MPC-HC’s key mapping works and what can influence it, the right custom command keys come down to looking at your own setup and deciding which actions you want closest at hand.