Combine YT video clips

We have below clips; we need help to combine all these to 1 video and the output must be a downloadable video file. We need this within a day please

https://youtube.com/clip/UgkxUMXwmgJv6DirtY3wd2z0ofZXnq-GPRUv
https://youtube.com/clip/UgkxGQ8t73gXcCgHVa3-aPn-NNmmOJ8bOyeJ
https://youtube.com/clip/UgkxgPQpO14nBLDz8Jg_fl5a-xeOqvIvQ5Ph
https://youtube.com/clip/UgkxLOgl_5XrcObjZOCt_7mjp32I5s2Fi5pX
https://youtube.com/clip/UgkxLaU38bp7wUf1xkUSV_P4mEmhGnYS0NWe
https://youtube.com/clip/Ugkx70VfRh6pHkCw8iEHIz9Imj4L9rR0Ws9-
https://youtube.com/clip/UgkxE07IO3ymiNtU93p4DhmCMdK9C58y2AOE

Output has to be a standard downloadable .mp4 file. I need it in 24Hrs, by Thursday, 04/20 mid-night or no need to work