hey if put something together for you.
case: SILVERSTONE Black Aluminum / Steel ML04B Micro ATX Media Center / HTPC Case
mobo: BIOSTAR A320MH PRO AM4 SATA 6Gb/s USB 3.1 HDMI Micro ATX AMD Motherboard
CPU: AMD RYZEN 5 1500X 4-Core 3.5 GHz (3.7 GHz Turbo) Socket AM4 65W YD150XBBAEBOX Desktop Processor
Ram: Kingston ValueRAM 8GB (1 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DIMM (288-pin) KVR26N19S8/8
HDD: WD Gold 1TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 128MB Cache 3.5 Inch - WD1005FBYZ ( as he is using it as a laptop I won't advise putting a wd blue in it)
Disk drive: LG Internal 24x Super Multi with M-DISC Support SATA Model GH24NSC0B
PSU: EVGA 450 B1 100-B1-0450-K1 80+ BRONZE 450W Includes FREE Power On Self Tester Power Supply
total price: $553.45
total including os $653,45
(if he wants wifi you will need a network card)