Thanks for using our theme.
1/ Go to Theme Options > Speed Optimization > disable Remove Query Strings From Theme Static Resources
2/ Elementor > Settings > Post types > enable editor for static blocks, then edit Footer static block using Elementor
3/ Go to Theme Options > General > Enable Classic Widgets Panel > On. Then go to Appearance > Widgets > delete static block from Header banner area
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.