What are the essential skills needed to study biochemistry in germany

[golden-ghost]

السلام عليكم ورحمة الله وبركاته

i need to know computer skills rather than win & office package + scientific programs used + studying skills needed (like speed reading , time management,....etc) i need to gain these skills before traveling to get a PhD degree to make it easier for me to cope with university life as in my home country it is completely different