In other words your PC, your Wi-Fi network and more. It's worth noting that the speed of the transfer will depend on your hardware. So Steam Decks, PCs in Big Picture mode, and custom launchers can currently not transfer files out over the local network.

Only a PC running in Steam desktop mode can send files.

The game needs to be up-to-date on the PC sending the game files.

The game needs to released to the public and playable by both Steam users (no preloads).

Game content can only be transferred out if the transferring Steam client is idle, e.g.

if both have 'Friends only' set, they must be Steam friends)

Game File Transfer settings on both devices must allow a transfer (e.g.

Both Steam clients must be online and see each other directly on the same LAN (no downloads while either Steam client is in offline-mode).

There are a few other limitations to keep in mind: PC gaming tips and tricks Level up your Steam game: Tips and tricks to get more out of Valve's game store How to stream PC games to another device easily How to check your monitor's refresh rate and adjust it How to check CPU and GPU temps easily How to enable G-Sync on your gaming PC and monitor How to start streaming your gaming: All the gear you need How to optimise your PC for gaming 12 easy tips to get more FPS and better performance on your gaming PC How to transfer PC games to your Steam Deck Tips to get the most out of your new Nvidia RTX GPU How to fix slow game downloads on Steam: Tips and tricks to boost download speeds Is your PC bottlenecking? How to check for performance problems How to use Bluetooth headphones with your Steam Deck Why is my computer so slow? Tips to improve your PC performance How to check PC specs: Find the full specifications of your computer How to take better game screenshots on PC How to add a mic to any headphones for PC gaming How to easily capture gameplay footage for your YouTube channel How to update Nvidia drivers and cleanly install them for the best results

Steam full setup download for pc