Making a dvd

Hi guys, I want to stitch together a few, short mp4 files which are videos shot on my phone, into 1 dvd file which I can email to my grandaughter. I have a program called Windows DVD Maker but it doesn't like mp4 files and I've googled it and it seems you have to use a 3rd party program first for convertion.

Can anybody suggest an easy way to achieve the final solution? I don't want to pay for expensive dvd editing software.

Thanks. Clare

I would install this free codec package

after which Windows DVD Maker should be able to handle .mp4 files

For $25 you can get DVD Creator which will do this natively. They offer a 100% satisfaction guarantee, but I haven't used it myself.