problem with atmel mega 328 p au 1437

wanting to try arduino nano I purchased an atmel mega 328 p, when I connect it to the computerthe LED lights but not install the drivers and in the 'ide does not make me select the port, probably the problem is the driver, someone has the link download? thanks a lot

Which USB to Serial chip does your Arduino Nano use? The official design used FTDI.

FTDI: VCP Drivers - FTDI

Some cheap clones use the CH340G chip. If you bought one of those you will need to find the drivers for that.