I am working in Japan and want to invest some saving in stocks. I have N2 level of Japanese.

こにちは！！
Recently I have been watching lots of investment video which inspired to get into stock market as I am totally new to this market it will be great help if i can get detail instruction on entering in japan stock world .
I wouldn't say i am good at Japanese but have basic knowledge of language or can google translate the thing i find hard to understand.