The PC Building Simulator Update v1.15.3 is a critical maintenance patch primarily focused on improving accessibility and platform compatibility for the original game and its IT Expansion. Following the franchise's acquisition by Epic Games, this version represents one of the final stability updates for the first title as development shifted toward the sequel. Key Features of Update v1.15.3
The v1.15.3 update centers on hardware support and system stability rather than new PC components:
Steam Deck Optimization: Added support for the on-screen keyboard, making it fully functional for handheld users.
Controller Support: Introduced official support for PS5 controllers.
Bug Fixes: Resolved a recurring issue that prevented the Steam Workshop wallpaper integration from functioning correctly.
Stability: Addressed minor performance and patching issues reported by the community. The IT Expansion (Included)
This update fully supports the IT Expansion, which is provided as a free update to all owners of the base game. Key content includes:
New Campaign: Act as an IT technician for "Irratech Corp" with over 20 hours of story content.
New Mechanics: Features a tablet for job management instead of a smartphone, and requires players to fix printers and perform on-site jobs.
Custom Software: Introduces unique in-game apps like "Sellout" (spreadsheets), "Typo" (word processing), and "Docucond Reader" (PDFs). Download & Technical Details
Platform Availability: The update is available on Steam and the Epic Games Store.
Patching Behavior: Users may see a large "patching" size (often several GBs) on Steam, though the actual download of data from the internet is typically much smaller. Minimum System Requirements: OS: Windows 7 or newer. Processor: Intel Core i5-2500K or AMD Athlon X4 740. Memory: 4 GB RAM. Graphics: GeForce GTX 660 (2GB) or Radeon R9 285 (2GB). PC Building Simulator Update v1.15.3 - Steam News
PC Building Simulator - PC Building Simulator Update v1. 15.3 - Steam News. PC Building Simulator Update v1.15.3 - Steam Community
PC Building Simulator: A Review of the IT Expansion Update v1.15.3
Introduction
PC Building Simulator, developed by Qinghua University and published by Genius, is a popular simulation game that allows players to build and manage their own computer hardware. The game has gained a significant following among gamers and PC enthusiasts alike, with its realistic gameplay and educational value. Recently, the game received a major update, the IT Expansion Update v1.15.3, which adds new features, tools, and gameplay mechanics. In this paper, we will review the new update and its impact on the game.
Overview of PC Building Simulator
PC Building Simulator is a simulation game that allows players to build, customize, and manage their own computer hardware. The game features a wide range of components, including CPUs, motherboards, graphics cards, and RAM, which players can use to build their dream PC. The game also includes a variety of tools and software, such as operating systems, drivers, and benchmarking tools, which players can use to test and optimize their builds. The PC Building Simulator Update v1
IT Expansion Update v1.15.3: New Features and Changes
The IT Expansion Update v1.15.3 is a major update that adds several new features and changes to the game. Some of the key new features include:
Impact of the Update on Gameplay
The IT Expansion Update v1.15.3 has a significant impact on gameplay, adding new challenges and opportunities for players. The new IT-themed career mode provides a fresh and exciting way to play the game, with a focus on technical support and management. The new components and tools allow players to build and customize their PCs in new and creative ways, while the improved graphics and performance make the game more immersive and enjoyable.
Conclusion
The IT Expansion Update v1.15.3 is a significant update that adds new features, tools, and gameplay mechanics to PC Building Simulator. The update provides a fresh and exciting way to play the game, with a focus on technical support and management. The new components and tools allow players to build and customize their PCs in new and creative ways, while the improved graphics and performance make the game more immersive and enjoyable. Overall, the update is a great addition to the game, and we highly recommend it to fans of PC Building Simulator.
References
To update PC Building Simulator to v1.15.3, including the IT Expansion, follow these steps depending on your platform. Note that the IT Expansion is a free update included in the base game's newer versions. How to Update
Steam: The game typically updates automatically. If it hasn't, right-click PC Building Simulator in your library, select Properties, go to Updates, and ensure "Always keep this game updated" is selected.
Epic Games Store: Updates usually trigger when you launch the Epic Games Launcher. If you need to force it, click the three dots (...) next to the game title in your Library and select Manage to check for updates.
Console Versions: Updates are pushed through the system's standard update management (e.g., "Check for Update" on PlayStation or Xbox). Update v1.15.3 Highlights
This update primarily focused on quality-of-life improvements and bug fixes for the base game and the IT Expansion :
Controller Support: Added full support for PS5 controllers and improved on-screen keyboard support for Steam Deck.
IT Expansion Fixes: Resolved illumination issues in the third workshop and corrected missing textures in several off-site job locations.
General Bug Fixes: Fixed several issues that led to save file corruption when switching workshops or having a large number of saves.
Visual Adjustments: Improved cable routing to prevent clipping through cases and adjusted UI alignment for ultrawide resolutions. Patching Notice
Be aware that even if the download size is small (e.g., ~30 MB), Steam may "patch" or reorganize several gigabytes of game data (up to 20 GB) on your drive during the installation. This is normal for this game's file structure and may take several minutes depending on your storage speed (SSD vs. HDD). New IT-themed career mode : The update introduces
For a detailed list of every part added in this version, you can refer to the Parts & Unlock Levels Guide on the Steam Community. PC Building Simulator Update v1.15.3 - Steam Community
If you’ve been encountering lag in server rooms or crashes while cable management in complex IT setups, this patch is a must-download. The developers have focused on stability, making your virtual tech support life much less frustrating.
File Size: Approx. 450 MB
For those curious about the specific improvements in this updated version, here is the official changelog from the developers at Spiral House and publisher Irregular Corporation.
If you are downloading the expansion update, you are likely looking for the "Esports Expansion" and the myriad of DLC packs that have integrated seamlessly into the main game.
With the updates included in this version, the parts catalog has ballooned. You are no longer limited to standard cases and generic cooling solutions. The update brings in a host of licensed partners—from Razer’s Chroma-enabled cases to EVGA’s precision XOC software integration.
For the uninitiated, this might sound like a spreadsheet, but in practice, it changes the gameplay loop significantly:
Library → right-click PC Building Simulator → Properties → Updates → Always keep this game updatedProperties → Installed Files → Verify integrity of game filesLibrary → game → Properties → DLC → check IT Expansion.Would you like the direct store links to buy IT Expansion, or help checking if your hardware can run the DLC smoothly?
Here are the key features and patch notes for PC Building Simulator (including the IT Expansion) up to the Update v1.15.3 🌟 Key Feature Highlights Full IT Expansion Integration:
Take on the role of an IT support contractor for the "Irch Corporation". This free career mode expansion lets you manage support tickets via a tablet, fix hardware, and perform network maintenance like clearing viruses and setting up software programs (Typo, Sellout, and DocuRead). Next-Gen Controller & Hardware Support: Native support added for the PS5 controller
and dynamic on-screen keyboard compatibility specifically optimized for the Steam Deck Massive Parts Library (v1.15 Base):
Features over 40+ brand new real-world components, featuring brand partners like Thermaltake, Arctic, Corsair, ASRock, and MSI Exclusive Case Partnership: Features the accurate digital counterpart of the CORSAIR iCUE 5000T 🛠️ Patch Notes & Bug Fixes (v1.15.3 Focus) General Adjustments Fixed a long-standing issue preventing the dynamic desktop Steam Workshop wallpaper integration from displaying correctly in-game.
Resolved UI clipping and layout issues for players utilizing ultra-wide resolutions (specifically optimized up to 5120x1440) while playing through the IT Expansion.
Corrected instances of game file corruption triggered by players having massive backlogs of manual save files or when actively switching between workshops. Steam Community Hardware & Case Routing Collision Fixes:
M.2 storage drives can no longer be "teleported" through a previously installed GPU on the GIGABYTE GA-AB350-Gaming 3 motherboard. Clipping Resolutions: Adjusted the routing of the 24-pin power cable on the CORSAIR Carbide Series 275R ADATA XPG Defender Pro to stop them from clipping through the side panels
Corrected physical positioning and mounting behavior of power supply units (PSUs) inside the be quiet! Pure Base 500DX Fixed graphic cable routing issues on the ASUS TUF Z370-PLUS GAMING
motherboard that previously allowed two 4-pin cables to plug into the exact same slot. Steam Community IT Expansion Specific Fixes Impact of the Update on Gameplay The IT
Corrected missing illumination map data on interactive objects when room lights are toggled off in the 3rd IT Expansion workshop.
Erased duplicated power outlets and floating cables on specific off-site repair jobs.
Fixed transparent/missing desk textures and ceiling textures across the 4th IT expansion workshop. Steam Community specific part added in this update, or do you need assistance with troubleshooting a custom PC build in the simulation?
The IT Expansion Is Here And It's FREE!! - PC Building Simulator
PC Building Simulator’s v1.15.3 update for the IT Expansion
is a refinement-focused patch that solidifies one of the game's most ambitious DLCs. While it doesn't reinvent the wheel, it polishes the "IT Support" fantasy that makes the expansion stand out from the base career mode. The IT Expansion Experience IT Expansion
shifts the gameplay from a small repair shop to a corporate IT department. Instead of just fixing broken PCs for individuals, you manage a fleet of workstations, troubleshoot weird software glitches, and deal with corporate "requests" that range from professional to hilariously absurd. Expanded Career Content: Adds over 20 hours of new story-driven content. The Tablet:
Introduced in this expansion, the tablet is a game-changer, allowing you to manage emails and orders while moving around the workshop rather than being tethered to your desk. New Mechanics:
You’ll handle on-site jobs and more complex "flavor" tasks like setting up printers or fixing the Wi-Fi, which adds variety to the standard part-swapping loop. What v1.15.3 Brings to the Table Update v1.15.3 is largely about compatibility and stability
. It’s a "quality of life" update that ensures the game remains playable on modern hardware and peripherals. Steam Deck Support:
The highlight of this patch is the addition of an on-screen keyboard specifically for Steam Deck users, making it much easier to name builds or search for parts on the go. Controller Improvements:
Official support for PS5 controllers was added, providing a better experience for those who prefer gamepads over mouse and keyboard. Bug Squashing:
It addresses persistent issues like Steam Workshop wallpaper integration and various game-breaking bugs that previously blocked progression in certain career contracts. The Verdict Is it worth the download?
If you already own PC Building Simulator, the v1.15.3 update is a mandatory and welcome polish. For newcomers, the IT Expansion
is widely considered the best DLC for the game because it adds a sense of "place" and personality that the original career mode lacks.
While the game is arguably "simplified" compared to building a real rig, its attention to detail with licensed parts and realistic diagnostic tools like 3DMark makes it the gold standard for hardware sims. PC Building Simulator Update v1.15.3 - Steam Community
In the lifecycle of a simulator, the "post-launch" updates are what determine longevity. Version 1.15.3 acts as a quality-of-life pass that players will immediately appreciate. It addresses the occasional physics glitches that plagued earlier versions and optimizes the handling of complex custom water-cooling loops—a feature that can be daunting in real life but is made accessible and satisfying here.
Furthermore, this update paves the way for the game to handle the Esports Expansion content. This expansion adds a tournament mode, allowing you to prove your building speed against the clock, adding a competitive edge to what was previously a solitary, chill experience.