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This (very detailed) guide will show you how to run osu! on Mac OS X without using Boot Camp.

Boot Camp is probably the best way to run osu!, unless you have some issues that prevent you from using Boot Camp / you want to run OS X and osu! at the same time.

This guide is split up into the following sections:
  1. Installing Virtualbox
  2. Configuring Virtualbox
  3. Installing Windows
  4. Installing osu!
  5. Closing Virtualbox Properly / Resuming osu! Play

System Requirements:
  1. A Mac with an Intel Processor (Check >About This Mac...)
  2. A minimum of 1 GB Memory (Also in >About This Mac...)
  3. A minimum of 10 GB of free Hard Disk Space (Highlight the Macintosh HD icon on the desktop and press ⌘I)
  4. A Windows XP disc or a disc image of a Windows XP disc

Installing Virtualbox
  1. Go to virtualbox.org.

  2. Find the Downloads section located on the left column.

  3. Select the download for Intel Macs.

  4. When the file has downloaded, open the disk image (This may be in your dock in the Downloads stack).

  5. Find and open the "VirtualBox.mpkg" file.

  6. When the Installer prompts you, simply press "Continue".

  7. Agree to the Terms and Conditions and then select the disk Macintosh HD to install to.

  8. After the install completes, you can eject the Virtualbox disk image by selecting it on the desktop and choosing "Eject".

Configuring Virtualbox
  1. Find VirtualBox in your Applications folder and open it.

  2. Select "Machine > New..." or press ⌘N.

  3. Select "Next >".

  4. Enter a name for your virtual machine. You can put anything you want - You can simply use "Windows XP".
    Make sure the Operating System says "Microsoft Windows" and the version says "Windows XP". Press "Next >".

  5. Set 512 MB of RAM to be allocated to the virtual machine. You can use the slider or type the number into the box.

    Select "Next >".

  6. Choose "Create new hard disk" and press "Next >".

  7. Select "Next >".

  8. Select "Dynamically expanding storage" and then click "Next >".

  9. Set the size of the disk to 10.00 GB and then click on the highlighted button.

  10. You should be presented with a dialog that looks like this:

  11. Find a suitable place to store your virtual disk. (If you're using Time Machine, move it to a place that is not backed up by it, as it will munch up your backup drive's space very quickly.)

  12. Click "Next >"...

  13. ...and then "Finish".

  14. Click "Finish".

  15. When you return to the main Virtualbox window, select the newly created virtual machine from the list and then choose "Settings".

  16. You will need to set the Base Memory Size to 512 MB, the Video Memory Size to 32 MB and Enable 3D Acceleration.

  17. Click on the "Storage" tab (1) and select "CD/DVD-ROM" (2).

    Users using a physical disc:
    (If you are using a disc image, skip ahead to "Users using a disk image:")
    1. Check the "Mount CD/DVD Drive" box and select "Host CD/DVD Drive".

    2. Move on to step 18.

    Users using a disc image:
    (If you are using a physical CD, skip ahead to step 18.)

    1. Check the "Mount CD/DVD Drive" box and select "ISO Image File". Select the button that is marked as 3 in the image below:

    2. Click "Add".

    3. Locate your iso disc image (1) and then select "Open" (2).

    4. Make sure the newly added image is highlighted, then press "Select".

    5. Move on to step 18.
  18. Click "OK".

Installing Windows
  1. Press "Start".

  2. Click "OK".
    Important Note: The moment you click inside the machine's window, your mouse and keyboard are captured, meaning OS X won't get any of the key or mouse presses. To release the virtual machine's control, tap the Left Command key.

  3. Press Enter. (This screen may take a while to appear.)

  4. Press F8 to agree to the Licence Agreement.

  5. Make sure the Unpartitioned Space (1) is selected, and then hit Enter.

  6. Select the NTFS Quick option (1) and then hit Enter.

  7. The setup program will begin to set up Windows.

  8. Click "Next".

  9. Enter your name and then click "Next".

  10. Enter your Product Key (1) and then click "Next" (2).
    Please do not ask for Product Keys here, as we will not give them out.

  11. Enter a name for the computer. You can skip this if you want and just click "Next".

  12. Select your Time Zone (1) and click "Next" (2).

  13. Choose "Typical Settings" (1) and then click "Next" (2).

  14. Choose Option 1, then click "Next" (2).

  15. Click "OK"...

  16. ...then click "OK" again.

  17. Click "Next".

  18. Choose "Not right now" (1) and then click "Next" (2).

  19. Click "Skip".

  20. Choose "No" (1) and then click "Next" (1).

  21. Enter a username for the first user (1) and then click "Next" (2).

  22. Click "Finish".

  23. Now tap the left command key once. Go to the Devices menu and choose "Install Guest Additions...".

  24. Choose "Next".

  25. Agree to the Licence Agreement.

  26. Click "Install".

  27. If it prompts you with anything like the following picture, simply click "Continue Anyway".
    If the installation seems to stall, move the installer window around to see if it has hidden something underneath it.

  28. After the installation has finished, choose "Reboot now" (1) and then click "Finish" (2).

  29. The virtual machine will now reboot.

  30. When this dialog comes up, it means it is no longer necessary to use the left command key to move your mouse away from the virtual machine. You may use your mouse as usual. Press "OK".

    If the virtual machine window seems to be too small, you can now drag the bottom-right corner out to make it bigger

Installing osu!
From this point on, the instructions are the same for both Mac and Windows; You may refer to the FAQ for general questions. However, the instructions to run osu! will also be posted here.

  1. Click on the Start button (1) and click on "Internet Explorer" (2).

  2. Go to "http://osu.ppy.sh/".

  3. Click on the "Download" link.

  4. Click on "Download osu! NOW!".

  5. Select "Run".

  6. Allow the file to download...

  7. ...and then click on "Run" again.

    Only follow steps 8 - 13 if it prompts you with a dialog similar to this one. If it does not prompt you, continue at step 14
  8. Click "OK".

  9. .Allow the file to download.

  10. Click "Next".

  11. Accept the Licence Agreement (1) and then click "Install" (2).

  12. Wait for the install to complete.

  13. Click "Finish".

  14. Click "Install".

  15. After the installation completes, check the box marked with the 1 and then click "Finish" (2).

  16. Click "Yes" when it prompts you with this dialog:

  17. Have fun! :)

Closing Virtualbox Properly
There are two ways to do this:
  1. Suspending the Virtual Machine
  2. Shutting Down the Virtual Machine

Both methods will allow you to quit Virtualbox properly.

  1. Suspending the Virtual Machine:
    1. Quit osu!.
    2. Close the Virtualbox window. It will prompt you with a dialog. Choose "Save the Machine State" and click "OK".

    3. This may take a few moments.

    4. After this completes, you may quit Virtualbox.
  2. Shutting Down the Virtual Machine:
    1. Quit osu!.
    2. Click the Start button (1) and then select "Turn Off Computer" (2).

    3. Select "Turn Off".

    4. After this completes, you may quit Virtualbox.

Resuming osu! Play

  1. Start Virtualbox, click on the virtual machine in the list and press "Start".

  2. After it has started up, double-click on the osu! logo on the Desktop to start osu!.
Nice work ! Though I don't have a mac xD
Nice work !

Though I use BootCamp to achieve the same thing. :D
So do I :P
if i install windows will it switch all my settings to windows? Is there anyway to isolate it from all my other programs and only use it for osu? sorry for the questions i'm a noob with this.

otakunation wrote:

if i install windows will it switch all my settings to windows? Is there anyway to isolate it from all my other programs and only use it for osu? sorry for the questions i'm a noob with this.
Uh... You ARE isolating...

With this, you're running Windows inside of your Mac OS. The only way Windows can touch your Mac OS is through special means such as file shares (which you configure manually) and sound and video.

Your Mac setup won't be changed when changing settings inside the Windows VM.
Thank you so much for this I've been wanting to install Windows on my mac for a while but haven't been able to find guides that haven't made me paranoid that I would mess it all up and it's just a great install guide in general, thank you so very much!
Thanks :D I'm glad you liked it

If you find it runs too slowly, you can also simply use Boot Camp to run Windows instead. (Ask me for instructions if you need then, although they are available on the Apple support site and on the "Everything Mac" booklet
will this work without laggs?

is there also a change to use crossover or crossover games?
means: do you know how to install .net framework on crossover?
You can just install it the same as installing any other application, however the .NET Framework doesn't seem to be receiving very good ratings (See here)...
Is there a way of moving files to/from the virtual machine?
Yes actually there is...

If you open the virtual machine's settings and go to "Shared Folders", you will be able to add folders to share and set permissions and stuff like that. To connect to the shared folder, start up the virtual machine, open "My Network Places" and then "Add a network place". Next next until you get to the screen where it asks you for the address of the shared folder. Click "Browse" and your shared folders will be available from "Entire Network > Virtualbox Shared Folders". Select the share and press "OK". Hit Next and type in a real name for the share (not some weird one with slashes and dollar signs and what not). Hit Next again and your shared folder will be available from within "My Network Places".
Awesome guide, thank you very much.

Which one works better, bootcamp or virtualbox?
Bootcamp will probably be more reliable, but virtualboxx you can run simutaneously with mac stuff.
If you can, Boot Camp is definitely the better way to go
It's possible to run it with Crossover / Darwine.

See other Thread
Where can I see this thread on running Osu on Mac using Crossover/Darwine?
I'm also pretty new at this thing, and the fact that Osu can run on OpenGL doesn't that mean that porting it to Mac wouldn't be much of a problem? Since Mac uses OpenGL.

Fritsc wrote:

Where can I see this thread on running Osu on Mac using Crossover/Darwine?
As far as I know, it does not run on Darwine, however osu! has been run successfully with Crossover (search around the forums)
I like this way better (virtualbox) cuz I can just dedicate a virtual desktop space for vbox. (every mac user knows expose/spaces right?? just go option+f4) No need to reboot :D I have 4 spaces an use #2 for vbox. it's pretty useful; ppl should try it. ( ゚▽゚)/

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