My name is David.
Yes, the upgrade will not impact your videos and pictures however it is recommended that you always perform a backup prior to upgrading to Windows 10.
Windows 10 does not natively support Movie Maker however you can download and install it after the upgrade by following the instructions at the following link:
Please download and run this file and provide me the ID/Password:https://connect.teamviewer.com/v10/index.aspx
Are you online to finish this today?