How To Install Steam Games On Mac

This is basically Steam for Windows that is used specifically on Mac. Download the zip file, Drag the zip file onto your Desktop, unzip the file, and you should be presented with the Steam for Windows application. Double-Click the Steam for Windows application. It takes sometime to open, but it will. Install Steam login. MacOS on Steam Browse the newest, top selling and discounted macOS supported games New and Trending.

From yesterday a large number of Steam users reported that they were seeing a '[GAME] is not optimized for your Mac' alert. If you've seeing the same thing, you are likely running a game that is a 32-bit app on macOS 10.13.4.

35 Steam Games from Aspyr Are Affected

Not all game developers have updated thier popular 32-bit apps to 64-bit to ensure future playability with macOS. Aspyr, an American video game developer and publisher, says that so far its remedy for this upadte is currently unknown. We understood the 32-bit to 64-bit transition does present unique development challenges, and it's not yet known if every Aspyr game will be upgraded. This update affects the following Steam games from Aspyr Media:

  • BioShock Infinite
  • Borderlands 2
  • Borderlands: The Pre-Sequel!
  • Call of Duty 2
  • Call of Duty 4: Modern Warfare
  • Call of Duty: Black Ops
  • Call of Duty: Modern Warfare 3
  • Civilization IV
  • Civilization IV: Colonization
  • Civilization V
  • Command & Conquer™: Generals Deluxe Edition
  • Company of Heroes Complete: Campaign Edition
  • Doom 3
  • Duke Nukem Forever
  • Fahrenheit: Indigo Prophecy Remastered
  • Geometry Wars 3: Dimensions
  • Homeworld Remastered Collection
  • Prey
  • Quake 4
  • RAGE
  • RollerCoaster Tycoon 3 Platinum
  • SimCity 4: Deluxe Edition
  • SimCity: Complete Edition
  • Star Wars: Empire at War
  • Star Wars: Knights of the Old Republic
  • Star Wars: The Force Unleashed
  • Star Wars Jedi Knight: Jedi Academy
  • Star Wars Jedi Knight II: Jedi Outcast
  • The Secret of Monkey Island: Special Edition
  • The Sims 2: Castaway Stories
  • The Sims 2: Life Stories
  • The Sims 2: Pet Stories
  • The Sims 2: Super Collection
  • Tomb Raider II

Read Also: The Best Way To Transfer Music from iPhone to Mac >


Everything You Want To Know About This Alert

Free Steam Games For Mac

By cleaning up 32-bit Apps/Gamings from macOS, Apple hopes that this alert will help gamers and game developers to raise a concern about the modern design of Mac apps/games. According to Apple: 'To ensure that the apps you purchase are as advanced as the Mac you run them on, all future Mac software will eventually be required to be 64-bit.'

  • Q: Why am I seeing this '[GAME] is not optimized for your Mac' alert? A: Starting with macOS High Sierra 10.13.4, apps that have not been updated to use 64-bit processes produce a one-time alert when opened. This gives users advance notice that they are running 32-bit software/game, which will not be compatible with macOS in the future.
  • Q: Can I keep playing my 32-bit games on my Mac? A: Yes, you may continue to play 32-bit games with your Mac today as this is just a reminder alert. This has no adverse effect on your data or your computer.
  • Q: How do I check if my Steam game is 32-bit or 64-bit? A: On Apple menu > Choose About This Mac > Click the System Report button > Software > Applications. When you select an individual game, you will see a field titled '64-bit (Intel)'.

The Bottom Line

How To Install Steam Windows Games On Mac

Please feel free to contact us if you have similar problems or concerns and we will update this thread as we have news or updates. Leave your message in comment box below to join the discussion with other steam gamers.


More macOS/Apple Related Tips


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There are two ways to install mods: you can either subscribe to mods via the Steam Workshop (this installs the mods automatically), or you can download mods from other sources and install them manually.

Once you have installed a mod, you can enable it by using the Mod Manager. To access the Mod Manager, select the Mod Manager tab on the pre-game Options window (this is the window that appears when you launch the game).

Steam games available on mac

You'll find full instructions on using mods below.

Mod stability and compatibility

The vast majority of mods are made by amateur developers: many mods have not been thoroughly tested, and some may cause crashes or other stability issues.

How To Install Windows Steam Games On Mac

Many mods are incompatible with each other. Enabling incompatible mods may cause the game to crash. If you plan to enable multiple mods at once, we recommend checking the mods' documentation for information about their compatibility with other mods.

Saved games and mods

It is possible to add mods to a saved game: you can enable mods and load a saved game made before those mods were enabled. However, we recommend enabling any mods you want to use before starting a new game, rather than adding them to an existing game.

It is not possible to remove mods from a saved game: if you save a game while using one or more mods, you must always have those mods enabled while playing that saved game. If you disable any of those mods, you will be unable to load the saved game.

Installing mods via the Steam Workshop

The easiest way to install mods is to subscribe to them via the Steam Workshop. Subscribing to a mod installs it automatically.

To subscribe to a mod:

How To Install Steam Games On Mac

  1. Open the Steam application.

  2. Select Library.

  3. In the list of games on the left-hand side of the window, highlight XCOM 2.

  4. In the list of links on the right-hand side of the window, select Community Hub.

  5. Select the Workshop tab.

  6. Use the Browse tab in the workshop to search for mods. To subscribe to a mod, click on the Subscribe button (“+” icon) on the mod.


The next time you launch the game, any mods to which you have subscribed will appear in the Mod Manager on the pre-game Options window.

To unsubscribe from a mod:

You can also unsubscribe from mods via the Steam Workshop. To do so:

  1. From the Workshop tab, place your mouse pointer over the Browse tab, then select Subscribed Items from the drop-down menu.

  2. A list of the mods to which you are subscribed will appear. Click on the Unsubscribe button next to a mod to unsubscribe from it.


Once you have unsubscribed from a mod, it will no longer appear in the Mod Manager.

Installing mods that you have downloaded

It's also possible to download mods from sources other than the Steam Workshop. In this case, you'll need to install the mod manually.

How To Install Mods On Steam Games Mac

To install a mod manually:

  1. Open the Steam application.

  2. Select Library.

  3. In the list of games on the left-hand side of the window, right-click on XCOM 2, then select Properties.

  4. Select the Local Files tab.

  5. Select Browse Local Files….

  6. The “XCOM 2” folder will open. Navigate to XCOM2Data/xcomgame/mods. If the “mods” folder does not already exist, you should create it yourself.

  7. Copy the folder of the mod you want to install into the “mods” folder.

  8. From the “XCOM 2” folder, navigate to XCOM2Data/xcomgame/config.

  9. Open the defaultmodoptions.ini file in a text editor.

  10. Add a line to the bottom of the file that says:
    ActiveMods='[MOD NAME]'
    …where [MOD NAME] is the name of the mod file you are adding, excluding the file extension. For example, if the mod is called LW_SMGPack.XComMod, you would add the line ActiveMods='LW_SMGPack'

  11. Save the defaultmodoptions.ini file, then close it.


The next time you launch the game, the mod will appear in the Mod Manager on the pre-game Options window.

How To Install Steam Games On Mac

To uninstall a mod that you've installed manually, you must delete its folder from the “mods” folder. You should also remove the line from the defaultmodoptions.ini file. Once you have deleted a mod, it will no longer appear in the Mod Manager.

Enabling and disabling mods

Once you have installed a mod, either by subscribing to it in the Steam Workshop or by installing it manually, you must enable it using the Mod Manager before it will appear in the game.

To enable a mod:

  1. From the pre-game Options window, select the Mod Manager tab.

  2. The name of the mod will appear on an icon in the Mod Manager. Click on the red Off button next to the name of the mod to switch it to On.

  3. The next time you launch the game, the mod will be enabled.


To disable a mod:

How To Install Steam Games On Usb Mac

To disable a mod, open the Mod Manager and click on the green On button next to the name of the mod to switch it to Off.