arduin simulator / drawing

can you help me…
I am new in arduino projects
what the best free arduino simulator?
that I can draw & to connect the board, arduino, wire
and which the link to download it??
I’ve try many links but doesn’t work

the display that showed like the attachment below,

a1.png

fritzing.org, but this isn't a simulator. There are several cloud-based Arduino sites that let you edit, compile and upload sketches.