Not being a Microsoft fan I installed Linux Lubuntu 18.04. See the pictures for what it is/does. Complete with original Panasonic mains adaptor. Hardrive indicated as HTS541080G9AT00 -Travelstar 5K100 Series 80GB 5400RPM IDE.DVD recorder.
Panasonic Toughbook G2, FZ-G2 MK1, 10.1", Multi-Touch & Digitizer, Intel Core i5-10310U 1.7GHz vPro, 16GB, 512GB Opal NVMe SSD, Intel WiFi 6, BT, Infrared Webcam, 8MP Rear Camera, Win 10 Pro
Panasonic Toughbook 55, FZ-55 MK2, 14.0" HD, Intel Core i5-1145G7 (up to 4.4GHz) vPro, 16GB, 512GB OPAL NVMe SSD, Intel Wi-Fi 6, BT, Infrared Webcam, TPM 2.0, Emissive Backlit Keyboard, Windows 10 Pro
Panasonic Toughbook FZ-55 i7, Touch, 4G LTE, dGPS, FZ-55CA60CVM
PANASONIC TOUGHBOOK CF-D1 MK3 i5-6300U 2.40GHZ 8GB 1TB SSD TAB TOUGHPAD -GRADE B
PANASONIC TOUGHBOOK CF-D1 MK3 8GB 512B SSD GPS CAMERA 4G SIM RS232 SERIAL PORT
Panasonic Toughbook CF-20 Mk 2 i5-7Y57 8GB RAM 256GB GPS LTE 2 x BAT Win 11 Pro