If you have downloaded this file or are considering doing so, 🛡️ Safety and Security First
You can view what is inside the file without fully extracting it to see if it matches your expectations: KisX_2021_4K.zip
It could be a pack of 4K stock footage or backgrounds from 2021. If you have downloaded this file or are
Knowing the source would help me give you a much more specific review of its intended use. Zip and unzip files - Microsoft Support KisX_2021_4K.zip