ByJay Ricciardi, writer at
Former Senior Editor of Now Loading.
Jay Ricciardi

According to a recent Steam post, Civilization 6 doesn't play nicely with Windows 8.1 x64. It's very frustrating. Especially during such a busy week for game releases.

If you're experiencing issues downloading the game, issues starting the game, or issues with the game crashing, these official updates will help make sure Civ 6 runs properly on Windows 8.1 x64 bit. This update involves a fairly small (800MB) Knowledge Base (KB) update.

According to a Steam post:

During development and testing, it’s come to our attention that there are some very important Windows KB updates for this version of the Operating System.

Instead of including the 800MB update for all users, Firaxis decided to leave it out to cut down on the Civilization 6 download size.

First, Check To See If You Already Have the Update

If you always keep your Windows 8 up to date, you're probably fine here. Issues that you might have could be due to other problems.

If you're like most of the world, you probably hit the 'Ignore' button on most updates.

If you're not sure if the KB update is on your computer, you can check if the update is installed easily:

  • Go into "Add Remove Programs" in Windows 8.1.
  • On the left side, there’s a feature to view your "Installed Windows Updates."
  • Check to see KB2919355 (800 megs) and KB2919442 (about 10 megs).
  • If those are there, you're all set!

If You Don't See Those KB Updates, Then Follow The Directions Below

You're going to need two Microsoft Updates to fix your Civilization 6 game.

Notes from the Microsoft download site
Notes from the Microsoft download site

Note: These are official Microsoft links. Always be sure to check the URLs of download pages before downloading to avoid malware.

Install this one first: Update for Windows 8.1 for x64-based Systems (KB2919442)

Install this one second: Windows 8.1 Update for x64-based Systems (KB2919355)

This second download contains several files and there is a specific order they must be installed in the following order:

  • clearcompressionflag.exe
  • KB2919355
  • KB2932046
  • KB2959977
  • KB2937592
  • KB2938439
  • KB2934018

Once these Knowledge Base updates are installed, your game should be all set and primed to play!

If you still have problems, try:

  • Restarting your computer
  • Re-installing Civilization 6
  • Contacting 2K Support

Happy conquering!


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