How to enable splitscreen in Quake 2 Remastered 2023? (single PC multiplayer)

Let&play splitscreen in Quake 2 Enhanced 2023 PC edition (up to 8 players local multiplayer). Developed by id Software in 1997, Quake II is a critically acclaimed first-person shooter that introduces an entirely new science fiction narrative and setting. Now, experience the authentic, enhanced and complete version of the original with online & local multiplayer/CO-OP (Steam). #localcoop