You can connect your cellphone to your pc using the USB. Then you can copy the videos to your cellphone.
If your cellphone has a memory card, you can use it as a storage for the videos that you have in your pc. Then you can transfer and open this files in your cellphone.

You can send these if you use a USB to connect these two devices. Then you can copy the pictures or videos to the folder allocated in your cell phone. If a blue tooth device is available, then it can also be an option for you to use to transfer these files.