Windows installation on top of Ubuntu
8320
How can I install Windows after I've installed Ubuntu?
27573
Is it possible to get the Ubuntu 'Always on top' functionality in Windows?
31757
How do I remove Windows 7 from my dual boot system with Ubuntu?
70149
Is it possible to boot Ubuntu using the Windows bootloader?
59448
Is it possible to install Ubuntu on my Windows 8 computer without any CD or USB drive?
103541
Installing Ubuntu on a single partition
140942
Install Ubuntu alongside Windows (legacy mode)
61737
How can I install Windows 7 without dvd or usb, on linux?
63869
Installing Ubuntu with Windows, which is left and right when allocating space?
88780
Is it possible to install Windows 7 alongside Ubuntu and windows 10 dualboot?
108109
Install windows on external hard drive
26383
How to install Windows 7 after Ubuntu and dual boot?
126048
What's the Best Practice reinstalling windows 7 on a dual boot with ubuntu 11.04
141406
How can I add an entry for Ubuntu to the Windows 7 boot menu?
156812
How to reinstall Ubuntu in dual boot with Windows 10?
16182
How can I dual boot Windows and Ubuntu?
53605
Erase Windows Vista to Install Ubuntu