Extracting all zip in a directory to separated folder according to zip's name

Two things to do.

1. download 7za.exe, which can be found in the package "7-Zip Extra: standalone console version, 7z DLL, Plugin for Far Manager" in this page.

2. Extract 7za.exe to the folder that contains the zip you want to unzip. Use the command to unzip.

7za x *.zip -o*