bis wont give you support unless you have the actual game bought on steam

i bought it on steam not long ago but it doesnt worked then tried the warez game

We need dxdiag and files from this folder for solve your problem. C:\Users\<Name>\AppData\Local\Arma 3\
Can you upload somewhere in winrar package please?
When package will be smaller than 2,097k, so you can attach here. When package will be bigger, please use some free sharing service and post link here. Thank you.

http://feedback.arma3.com/how-to-user.html.html

there it is

Could you please try verify integrity of game cache
https://support.steampowered.com/kb_article.php?ref=2037-QEUH-3335

It looks, that you have some corrupted data. Let me know, if this help you. Thank you.