Yes, you can Play pubg mobile without an emulator. You will need a boot Android OS on the PC. This is the easiest way. Well, you can download and install Remix OS and then install Play Store Pub Mobile. But if you want to play the official PC version of the game for free, then no. I would always advise that you officially buy the game from the store or steam market. You can watch tutorials about it on youtube.
Read here how to Play pubg mobile without an emulator.