How do i open dem files ? (1 Viewer)

[Vanilla]

Cant open dem files , how can i open them ?

 

[Psycho]

You download the demo, you place it in your TF2 folder (SteamLibrary\steamapps\common\Team Fortress 2\tf), you launch the game, open the console and type Playdemo 'name of your demo' in the console.

 

[Vanilla]

Thanks @Psycho