Configure Dolby Atmos to play on my Windows 10 Laptop connected to Bose Lifestyle Surround

I have Windows 10 laptop, Microsoft Surface Pro 7, and i connected it to my Bose Lifestyle 600 surround sound system. I downloaded the Dolby Atmos, and when I play the demo videos in Dolby Atmos app i get true surround sound on my Bose, however when I play movies I downloaded that are 4K Dolby Surround i'm not getting true surround on my Bose. I need someone who has done this exact setup before, to configure this and make sure it's working. Payment is on successful completion and I should see on my Bose system that sound is coming as 5.1, currently i see the sound is coming as PCM 2.0. IMPORTANT: we will need to do this over Zoom online video meeting, so you will have to be OK with doing that I won't communicate over chatting.