Digital footprints remain on a personal computer no matter how hard PC users try to wipe them. This paper can be useful both as an instruction to find such footprints and as an instruction for their destruction. The paper is devoted to the overview of specific examples of the use of modern hardware and hardware-software systems to find digital footprints of activity directly on a personal computer. The options to obtain information from random access memory (RAM), hard drives and SSD devices are described in detail. For example, the following information can be obtained from a dump of the RAM of a PC: running processes, network connections, passwords, various encryption keys, clipboard, etc.