Method 1 (Fastest): Open Command Prompt and paste this exact command to map it as the 'W:' drive instantly:
net use W: https://webdav.imranah.pro.bd /user:imran /persistent:yes
Method 2 (Visual): Open "This PC", click "Map network drive", and paste this magic UNC path into the folder box:
\\webdav.imranah.pro.bd@SSL\DavWWWRoot