Help Meee!

Please help me!

I wanna know what you creators use to create edits :)...

Can you please tell me what software or app you guys use :)

Thaaank Yooou!

Also pleaseee tell me how to post images on this forum using the insert image icon...I do it till pasting the URL from imgur but then I don't know how to proceed further in filling up everything and posting the image successfully :) sooo please help :)