Can I increase memory on this laptop?

https://m.alternate.de/OMEN-by-HP/15-dc1001ng-Notebook/html/product/1512724#product-technical-data-tab

Yes. Is also in the description.

random access memory

capacity

total

8 GB (including 8 GB built-in)

Type

DDR 4 (2666 MHz)

slots

2 memory banks available, of which occupies 1 memory bank

If you have exactly bought the PC and not an almost identical other version yes. Is yes in the description but pass when buying on that you buy DDR4 and that it is compatible with your laptop. Often, RAM bars are only intended for a particular laptop.

RAM8GB DDR4-2666 (1x 8GB module, 2 slots)

https://geizhals.de/...#offerlist