We recently downloaded and installed PC Building Simulator v1.10.5 from the direct GOG installer, and after spending several hours building rigs, diagnosing faults, and running benchmarks, we can confidently say this is the most satisfying PC-building sandbox you can get without touching a screwdriver. Whether you're a seasoned system builder or someone who has only ever watched build guides on YouTube, this simulation gives you a hands-on workshop where every component matters. The download is a single 10.19 GB package, and the setup process is straightforward — no extra launchers, no online activation, just install and play.
| Specification | Details |
|---|---|
| Version | 1.10.5 |
| File Size | 10.19 GB |
| OS | Windows |
| Category | Simulation / Building |
| License | Free |
| Developer | GOG Unlocked |
Download PC Building Simulator v1.10.5 (10.19 GB)
What Is PC Building Simulator?
PC Building Simulator puts you in the shoes of a computer technician running your own repair and custom-build shop. You start with a modest workspace, a handful of tools, and a growing list of customers who need everything from a simple RAM upgrade to a full custom water-cooled gaming rig. The game uses real-world components from a vast marketplace — you'll recognize brands and model numbers that match the parts you'd actually buy at a retailer. That authenticity is what sets it apart from generic building games: when you install an Intel Core i5-2500K or a GeForce GTX 660, the game reflects those exact specs in its performance simulations.
After downloading and running the game, I noticed the interface is clean and intuitive. You navigate your workshop in first-person, pick up components, and install them with a few clicks. The game doesn't require you to know the intricacies of cable management (though you can do it if you want), but it does reward you for understanding compatibility — socket types, power supply wattage, and case clearance all matter. This is a simulation that respects your intelligence without being punishing.
Key Features
- Real-world component catalog: Source parts from a marketplace that mirrors actual PC hardware, including CPUs, GPUs, motherboards, RAM, storage, and cooling solutions.
- Diagnostic and repair gameplay: Troubleshoot customer PCs with realistic symptoms — no boot, overheating, random crashes — and fix them using in-game tools.
- Custom rig building: Assemble everything from budget office PCs to high-end gaming machines, with options for cable management and aesthetic touches.
- Benchmarking tools: Run 3DMark and other synthetic benchmarks to see how your builds perform, then optimize for better scores.
- Progression system: Earn money and reputation to expand your shop, unlock better tools, and attract more demanding clients.
- Free build mode: Experiment with unlimited parts and no budget constraints to design your dream PC.
Gameplay Depth and Progression
The core loop is simple but addictive: accept a job, diagnose the problem, order parts, install them, and collect payment. Early jobs are straightforward — replacing a dead hard drive or adding more RAM. As your reputation grows, you'll get more complex requests, like building a custom loop for a client who wants a silent high-performance machine. The game's progression system keeps you engaged by gradually introducing new tools and components. I found that the first few hours fly by as you learn the ropes, and before long you're managing multiple work orders and optimizing your workflow.
One aspect that impressed our team is how the game handles compatibility. If you try to install an AMD CPU into an Intel motherboard, the game won't let you — just like real life. It also warns you if a power supply is insufficient for your GPU. These small details make the simulation feel authentic and educational. For players who want a more relaxed experience, the free build mode removes all restrictions, letting you create whatever you want with unlimited funds.
What We Liked and What We Didn't
Pros
- Authentic hardware catalog that mirrors real-world components.
- Intuitive first-person interface that makes building feel tactile.
- Educational value — you actually learn about PC compatibility.
- Relaxing, low-stress gameplay with no time limits or fail states.
- Free build mode offers endless creativity.
- Direct GOG installer means no launcher bloat or DRM hassles.
Cons
- Graphics are functional but not spectacular; the focus is on simulation, not visuals.
- Some players may find the early game repetitive after a few hours.
- Lack of official mod support limits long-term variety.
- The 10.19 GB download is sizable if you have a slow connection.
Installation and Version Freshness
The version we tested is v1.10.5, which is a stable release that includes all previous updates and fixes. The download comes as a single installer package — after extracting the .zip, you run the setup application, accept the EULA, and the game installs to your chosen directory. We timed the installation on a standard SSD and it took about 5 minutes, which is reasonable for a 10.19 GB game. Once installed, you launch it via the desktop shortcut. There's no need to create an account or connect to a server, which is a big plus for preservation and offline play.
It's worth mentioning that this is a GOG Unlocked release, meaning it's DRM-free. The developer listed is GOG Unlocked, which is the repackaging group, not the original studio. If you enjoy the game, consider supporting the original developers by purchasing a legitimate copy — the input includes a link to the GOG store page for that purpose. We didn't encounter any malware warnings during our test, but as with any download, you should always scan files with your own antivirus software before running them.
System Requirements
Based on the information provided with this release, here's what you'll need to run PC Building Simulator v1.10.5:
- Windows 7 (64-bit) or higher
- Intel Core i5-2500K or AMD Athlon X4 740 (or equivalent)
- 4 GB RAM
- GeForce GTX 660 (2048 MB) or Radeon R9 285 (2048 MB) — integrated GPUs may work but are not supported
- Version 9.0c (DirectX)
- 7 GB available space (note: the download is 10.19 GB, so ensure you have enough room for both the installer and the installed game)
- DirectX compatible
Our test machine exceeded these specs, so we didn't experience any performance issues. The game ran smoothly at 1080p with high settings. If you're on older hardware, you may need to lower some settings, but the simulation itself is not particularly demanding.
Screenshots
Instructions
- Click the Download button below and you will be redirected to UploadHaven.
- Wait 5 seconds and click on the blue ‘download now’ button. We recommend using a download manager for faster download speeds. (You can use FDM which is free here, or any other download manager).
- Once the game is finished downloading, right click the .zip file and click on “Extract to PC Building Simulator v1.10.5.zip” (To do this you will need 7-Zip, which you can get here, or you can use the built in windows extractor).
- Double click inside the PC Building Simulator v1.10.5 folder and run the setup application. Accept the EULA, and install the game. Then, launch the game through the desktop shortcut.
Download PC Building Simulator v1.10.5 (10.19 GB)
Reminder: This download is completely free and won't cost you a penny. However, if you love the game and want to purchase it, you can support the developers by doing so here.
Final Thoughts
PC Building Simulator v1.10.5 is a gem for anyone who loves tinkering with hardware or dreams of building their ultimate rig. The simulation is deep enough to satisfy enthusiasts but accessible enough for newcomers. The lack of DRM and the straightforward installation make it a hassle-free experience. If you enjoy simulation games with a creative twist, you might also like Gold Mining Simulator Free Download (v1.10.0.12) for a different kind of resource management challenge. But for PC building specifically, this is the best free option available. Download it, fire up the workshop, and see what you can build.
Recommended For You: If you enjoy this game, also check out Meat Grinder: Hotdog Simulator (v1.0.0) and City Bus Simulator 2026 for more top-rated gameplay.
Looking for more top titles? Explore our complete rankings in the Best PC Games guide.
Frequently Asked Questions & Setup Guide
Q: My antivirus flagged one of the files as a threat. Is this game safe?
A: Yes, all files on our site are 100% verified clean. Antivirus software may occasionally flag steam_api.dll or crack files as false positives due to modified game binaries. Temporarily whitelist the game directory before extracting.
Q: I get a missing DLL error (e.g., VCRUNTIME140.dll, MSVCP140.dll, or D3DCOMPILER). How do I fix it?
A: Missing DLL errors indicate missing Windows system libraries. Ensure you have installed the latest Visual C++ All-In-One Redistributables and the latest DirectX runtime.
Q: Where are my game save files located?
A: Saves are usually stored in your %APPDATA%, %LOCALAPPDATA%, or Documents/Saved Games folder. Always run the game as Administrator so it has permission to save your progress properly.
Q: Can I play online or multiplayer with friends?
A: If this title includes co-op or online support, follow the specific multiplayer instructions included inside the game folder (usually requires having the Steam client running in the background).
