This filename appears to be a high-quality (4K) video file compressed in a 7z archive. Depending on where you are posting this or who you are sending it to, here are a few ways to draft the text:

I’ve uploaded the latest render for . This version is a 4K x265 encode for optimal quality and file size. File: TLLT_p3_FL_4Kx265.7z

Option 3: Technical / Minimalist (For a ReadMe or changelog)