No problem elithecooldood1231, it's a viable question.  
The installation instructions are displayed after the download of the tool, but i'll post them here additionally:  
- Extract the ZIP file
 - Open Aseprite
 - Go to File → Scripts → Open Scripts Folder
 - Place the extracted files into the opened directory
 - Restart Aseprite
 - Open the tool under File → Scripts → Write