Technically, no. The E-Yooso Z11 is "Plug and Play." You can plug it into any Windows PC (or Mac) and it will work immediately as a standard mouse. The onboard memory will retain the last DPI setting you used.
However, you need the software if you want to: e-yooso z11 software
Macros allow you to record delays and key presses. Technically, no
This is the most critical feature for gamers. The software allows you to define the exact DPI (Dots Per Inch) for each profile. Macros allow you to record delays and key presses
If you decide the software is not for you, removing it is straightforward. However, note that uninstalling will revert the keyboard to its default rainbow spectrum wave pattern.