A fire which occurs while an aircraft is airborne. Description. Fire in the air is one of the most hazardous situations that a flight crew can be faced with. Without aggressive intervention by the flight crew, a fire on board an aircraft can lead to the catastrophic loss of that aircraft within a very short space of time.
Check the system requirements. If youâve decided that you want to install a new operating system, youâll first need to figure out which one you want to use. Operating systems have varying system requirements, so if you have an older computer, make sure that you can handle a newer operating system. Try to do this the night before you install the new operating system, as the install will be able to format the disk much faster. 2  This is especially true if you have an IDE disk that is over 40 gigabytes, or Serial ATA (SATA) disk that is over 500 gigabytes.
Now click on the executable (EXE) file to install the portable VirtualBox. 2. Now you have VirtualBox installed, go ahead and create new virtual machine by running the VirtualBox. 3. On new virtual machine, you need to select or name machine as Windows 7. Then select memory as 1024MB and disk storage around 20GB.4. Now you will have to locate the Windows 7 installer (DVD or setup file saved on computer). VirtualBox will start installing Windows 7 on USB drive.5.. Once Windows 7 installation completes, you can detach USB drive safely from your computer. Done. Now you can just plug your USB Flash Drive on any computer and run Windows 7 over there. For simple use, I recommend Windows 7 Home Basic or Home Premium edition.