Click Install Now on the welcome screen, accept the license agreement and click Next

The installation of Windows 7 and Windows 8.1 is largely the same. Click Install Now on the welcome screen, accept the license agreement and click Next . Now choose Custom (advanced) , as we will not upgrade an existing Windows version. Now comes the most important step, namely, to choose which Windows 7 / 8.1 must be installed. Make sure you select the partition with unallocated space. Check here that the size corresponds to what you have previously assigned to the partition. Select the disk and click Next . Windows will automatically format the partition and ready for use. Then the installation will start automatically, in which the PC will reboot several times. Each time the computer is restarted, you get the choice between Windows 10 and Windows 7 or Windows 8.1. Select the Windows that you now are installing. Eventually the Windows setup wizard appears, in which you create a user and set a few things.

Make sure you select the partition with unallocated space to install on Windows.
boot Manager
You now have a dual boot system, but it is not ideal that waiting thirty seconds before the system restart. Fortunately, we can easily customize. In Windows 7 or Windows 8.1 click Start , type Run and press Enter. Now enter msconfig and press Enter. Go to the tab Startup Computer . Here you will find, among other options for the timeout to set and determine the default operating system.

To use the nicer Windows 10 boot loader, you start Windows 10, and then you right-click Start . Choose the option Command Prompt (administrator) . Fill command bcdboot C: \ Windows , Windows 10 to the standard again and you can choose your operating system in the Metro-style interface. This menu works on our test system it awkward if we choose Windows 7 launch starts the computer first and then customize Windows 7. With the Windows 7 boot loader is started immediately to the appropriate operating system.

Start Command Prompt as administrator and run the command that you see here to set the Windows 10 boot loader by default.
Boot Menu EasyBCD
Want something more detailed holders, you can use EasyBCD . Then click below to Non-commercial to register . It is not necessary to fill in a name and email address, simply click on Download! and the installation file is downloaded. Install the program and launch it. Click on the language Go , unfortunately there is no Dutch available and click OK . You will see a list of the items in your boot menu. To make changes, choose Edit Boot Menu . You can set the default OS by default . At the bottom you can also set the delay. Click Save Settings to save the changes.

With a simple tick Default imagine yourself to be started by default on any operating system.
install Ubuntu
The installation of Ubuntu is largely similar to that of Windows. First choose the language ( Dutch ) and click on Install Ubuntu . If the computer is connected to the Internet, check Download updates during installation to. Alternatively you can choose to install these third-party programs so you can play with less effort eg MP3 files. Click Continue . Now comes the most important step: namely, selecting the correct drive. Click below on something else , and then click Continue . Select free space and click the plus ( + ). Set the size of the size of the disk, minus the amount of your RAM (usually 4 or 8 GB is fine).

Make sure the location beginning of this space is selected. When Using as let you be the option for Ext4 filesystem loggend and Mount Point you enter a slash ( / ) in. Click OK . Click again on the remaining free space and restart the plus ( + ). Select this time at Customs if the option Swap memory (swap area) . Leave the other options as they are and click OK . Check knocks again or anything. Make sure you have not changed the NTFS partition where Windows is installed! Is everything? Then click Install Now and then click Continue to create the partition and start the installation. During installation, create a user account, choose the time zone and imagine some other things. Do not interrupt the installation does not, not at all during the writing of the partitions. In retrospect, the computer just restarts and you if it is good to choose between Windows and Ubuntu.

Boot Manager to manage Ubuntu
When you install Ubuntu, you're sitting with the Grub boot loader. You can configure Grub with the so-called Grub Customizer. This program lets you install as follows. Click the Ubuntu button and type Terminal and open the program. We are now going to enter a few commands. Type sudo add-apt-repository ppa: danielrichter2007 / grub-customizer and then enter your password and press Enter. Then type sudo apt-get update and press Enter. After that, type sudo apt-get install grub-customizer , when asked for permission, you can press Enter to confirm and continue.

Once the installation is finished, you can click again on the Ubuntu button to grub customizer typing and open the program. You can now tab List configuration change the order of the options. On General Settings , you can choose which operating system default should be started and how long the Grub screen should appear. Click Save to save the changes.

By default entry, you can choose the default option to be started for Grub.
Ubuntu partition read in Windows
If you have Windows installed as dual boot, you can just in the disk of the other operating system. With Ubuntu is not the case. To read the ext4 drive in Windows requires a separate program. A useful program for this is Ext2Read. Unlike the name suggests, this also supports ext4. However, you can only read files from here with Ubuntu. You can program here download and then click the green download button. Extract the downloaded zip file and run the application contained therein as administrator from, by clicking the mouse and choosing Run as administrator .You will see the Ubuntu disk in the form of / dev / sdaX. When you double-click on it, you see all the folders in it. In home / [username] you will find your personal files. You can save by clicking on the mouse a file or folder and selecting Save .