Feb 17, 2016 You might have already seen this guide to playing Windows Steam games on Mac, by NHRoccodog.This is not that guide. This method will allow you to play Windows-only Steam games on your iMac as if they were Mac games, with no difference in performance at all.Here's how it works. Jul 14, 2018 How to Uninstall Games from Steam on Mac, Windows Linux. We’ll show you how to uninstall games from Steam and remove them from your computer, thereby freeing up whatever disk space they were taking up. This approach will delete the game locally, but it will not delete the game from the Steam account.
What you need to install Windows 10 on Mac
- MacBook introduced in 2015 or later
- MacBook Air introduced in 2012 or later
- MacBook Pro introduced in 2012 or later
- Mac mini introduced in 2012 or later
- iMac introduced in 2012 or later1
- iMac Pro (all models)
- Mac Pro introduced in 2013 or later
The latest macOS updates, which can include updates to Boot Camp Assistant. You will use Boot Camp Assistant to install Windows 10.
64GB or more free storage space on your Mac startup disk:
- Your Mac can have as little as 64GB of free storage space, but at least 128GB of free storage space provides the best experience. Automatic Windows updates require that much space or more.
- If you have an iMac Pro or Mac Pro with 128GB of memory (RAM) or more, your startup disk needs at least as much free storage space as your Mac has memory.2
An external USB flash drive with a storage capacity of 16GB or more, unless you're using a Mac that doesn't need a flash drive to install Windows.
A 64-bit version of Windows 10 Home or Windows 10 Pro on a disk image (ISO) or other installation media. If installing Windows on your Mac for the first time, this must be a full version of Windows, not an upgrade.
- If your copy of Windows came on a USB flash drive, or you have a Windows product key and no installation disc, download a Windows 10 disk image from Microsoft.
- If your copy of Windows came on a DVD, you might need to create a disk image of that DVD.
How to install Windows 10 on Mac
To install Windows, use Boot Camp Assistant, which is included with your Mac.
1. Use Boot Camp Assistant to create a Windows partition
Open Boot Camp Assistant, which is in the Utilities folder of your Applications folder. Then follow the onscreen instructions.
- If you're asked to insert a USB drive, plug your USB flash drive into your Mac. Boot Camp Assistant will use it to create a bootable USB drive for Windows installation.
- When Boot Camp Assistant asks you to set the size of the Windows partition, remember the minimum storage-space requirements in the previous section. Set a partition size that meets your needs, because you can't change its size later.
2. Format the Windows (BOOTCAMP) partition
When Boot Camp Assistant finishes, your Mac restarts to the Windows installer. If the installer asks where to install Windows, select the BOOTCAMP partition and click Format. In most cases, the installer selects and formats the BOOTCAMP partition automatically.
3. Install Windows
Unplug any external devices that aren't necessary during installation. Then click Next and follow the onscreen instructions to begin installing Windows.
4. Use the Boot Camp installer in Windows
After Windows installation completes, your Mac starts up in Windows and opens a ”Welcome to the Boot Camp installer” window. Follow the onscreen instructions to install Boot Camp and Windows support software (drivers). You will be asked to restart when done.
- If the Boot Camp installer never opens, open the Boot Camp installer manually and use it to complete Boot Camp installation.
- If you have an external display connected to a Thunderbolt 3 port on your Mac, the display will be blank (black, gray, or blue) for up to 2 minutes during installation.
How to switch between Windows and macOS
Restart, then press and hold the Option (or Alt) ⌥ key during startup to switch between Windows and macOS.
Learn more
If you have one of these Mac models using OS X El Capitan 10.11 or later, you don't need a USB flash drive to install Windows:
- MacBook introduced in 2015 or later
- MacBook Air introduced in 2015 or later3
- MacBook Pro introduced in 2015 or later3
- iMac introduced in 2015 or later
- iMac Pro (all models)
- Mac Pro introduced in late 2013
To remove Windows from your Mac, use Boot Camp Assistant, not any other utility.
For more information about using Windows on your Mac, open Boot Camp Assistant and click the Open Boot Camp Help button.
1. If you're using an iMac (Retina 5K, 27-inch, Late 2014) or iMac (27-inch, Late 2013) or iMac (27-inch, Late 2012) with a 3TB hard drive and macOS Mojave or later, learn about an alert you might see during installation.
2. For example, if your Mac has 128GB of memory, its startup disk must have at least 128GB of storage space available for Windows. To see how much memory your Mac has, choose Apple menu > About This Mac. To see how much storage space is available, click the Storage tab in the same window.
3. These Mac models were offered with 128GB hard drives as an option. Apple recommends 256GB or larger hard drives so that you can create a Boot Camp partition of at least 128GB.
Windows on Mac Q&A - Revised March 22, 2010
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Can you install and play Windows games directly in MacOS X without installing Windows?
For maximum performance, the best way to play Windows games on an Intel-based Mac is to install Apple Boot Camp, install Windows, and then boot into Windows to play Windows games. However, Parallels Desktop for Mac 3.0 (and higher) supports DirectX and OpenGL and a number of games have been tested and found to work, VMWare Fusion 1.1 (and higher) supports 'select games' and CodeWeavers Crossover Mac supports some games as well.
There also is the long gone TransGaming's Cider which the company refered to as a 'Mac portability engine' that made it possible for game developers to 'encapsulate the original source code' of a Windows game. In turn, a Mac user would then be able to install and run the 'encapsulated' game within MacOS X.
TransGaming further explains that:
Cider is a sophisticated portability engine that allows Windows games to be run on Intel Macs without any modifications to the original game source code. Cider works by directly loading a Windows program into memory on an Intel-Mac and linking it to an optimized version of the Win32 APIs. Games are simply wrapped up in the Cider engine and they work on the Mac. This means developers only have one code base to maintain while keeping the ability to target multiple platforms. Cider powered games use the same copy protection, lobbies, game matching and connectivity as the original.
Cider is based on WINE like CrossOver Mac although Cider is specifically 'targeted at game developers and publishers' rather than end users.
In 2006, MacWorld published an interview with Vikas Gupta, the CEO of TransGaming, who made a number of bold promises about Cider's abilities. The full piece is well worth reading, but in particular Gupta claimed that 'Cider games [would] run as if they were made for Mac OS X' and 'the average user won’t be able to discern any difference'. On the other hand, the interviewer was able to extract that 'users are bound to see 10 to 15 percent lower frame rates than they would in a truly native game.'
Cider sounds great, but so does Cedega, TransGaming's Windows 'portability engine' for Linux that the company claims 'delivers an amazing gaming experience that matches the Windows experience'. However, from reading through a couple of Slashdot postings about Cider and Cedega, it is safe to say that opinion is decidedly mixed.
An article on Linux.com provides more insight into the performance of Cedega, which the author refers to as a 'melding of Wine and DirectX'. The complete article should be read for the full perspective provided by the author, but in particular, referring to Civilization 4 (an 'officially supported' game), the author reports that:
I haven't been able to play Civ4 under Cedega; the menus worked great, the intro movie as well, but as soon as it is finished loading a scenario or a quick game -- crash, boom, bang.
The author also says:
For older games, sometimes Wine alone is a better option. . . Generally speaking, games do work with Cedega, but most of the time (even for officially supported games) you should stay away from 'high' details, and expect crashes.
He ultimately concludes:
Cedega may not be the answer to games under Linux, but it's better than not being able to play at all, until gaming companies notice Linux users as a market and release games for Linux. The sad part is that even as an intermediate solution, Cedega is still more like 'plug and pray' than 'plug and play.'
Since August 3, 2006, when Cider was introduced, a number of games have been ported to the Mac via Cider and review and commentary has been somewhat divided.
Play Apple Games On Windows
Generally, Mac users using Intel-based Macs have been pleased to have more games available and find the performance acceptable, but as performance running any Windows game 'inside' MacOS X -- regardless of method -- will always be at least modestly inferior to that of the native Windows experience, many comment that -- at least for 'serious' gaming -- they prefer to use the Windows version of the game via Boot Camp.
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