MeMyself wrote:

I completely agree, I hate I need to have filezilla as well when I need to do more than one thing at a time. LET ME DO OTHER STUFF WHILE ITS UPLOADING / DOWNLOADING / EXECUTING A COMMAND, please.

You can upload/download files on the background.
https://winscp.net/eng/docs/transfer_queue
You can even move an ongoing foreground transfer to a background.
https://winscp.net/eng/docs/ui_progress#controlling

I completely agree, I hate I need to have filezilla as well when I need to do more than one thing at a time. LET ME DO OTHER STUFF WHILE ITS UPLOADING / DOWNLOADING / EXECUTING A COMMAND, please.

I want to say to creators of WinSCP about Multiple Threads.
Please learn how to use them and please use them.
useful link:
https://learn.microsoft.com/en-us/windows/win32/procthread/multiple-threads