: Select the file and choose the 7-Zip menu option (or your specific tool's menu).
If you cannot install software, you can use an online conversion tool: : Go to a site like EasyZip or Aspose 7z to MP4 . Step 2 : Upload your .7z file. da & da.mp4.7z
I can provide specific instructions for your exact situation. : Select the file and choose the 7-Zip