To get rid of tiny black bugs on a window sill that look like black pepper you can use a spray insecticide such as Raid. Another way would be to sprinkle boric acid around the area.
They are the bugs that have hit you side mirror and sprayed all over you. Close the side window to prevent this.
The bad bugs usually wear black hats.
To keep the bugs out of your house.
Most European countries do not use window screens to keep out bugs. The screen is an American invention and not as popular in other countries.
Bugs
Those little black bugs are weevils.
I would guess elder bugs.
No
A swam of bugs.
Pill bugs, also known as isopods, have a rounded or almond shape. They are tiny bugs with a black color.
Bed bugs are generally found in black or brown colour.