It is quite easy and very useful if you are running complex and long calculations.
- Add Excel to you Start Menu. – In the program files right click Excel and chose “Add to Start Menu”
- Shift Click Excel on Start Menu – this opens a new version separate from any previous one.
- Add Excel to you Taskbar. – In the program files right click Excel and chose “Add to taskbar”
- Shift Click Excel on the Taskbar – this opens a new version separate from any previous one.
As far as I can tell you can only run two versions at a time.