Cannot Use PC to Connect to Xbox Live for Xbox 360 — Closed Ecosystem

No. Xbox Live is a closed ecosystem for Xbox consoles. There is no official PC client that lets you sign into Xbox Live and play Xbox 360 games.

Why Not?

• Xbox Live requires console-specific authentication and encryption.
• Microsoft does not provide a PC gateway for Xbox 360 Live services.
• Security architecture prevents cross-platform identity spoofing.

Cross-Play Alternatives (PC + Xbox 360)

Some games support cross-platform play between PC and Xbox 360:

• Minecraft (Java Edition) – via third-party servers/plugins
• Rocket League – legacy support (ended 2020)
• Fortnite – never on Xbox 360

Note: Most Xbox 360 cross-play titles have retired servers.

Streaming Workaround

Stream your PC gameplay to friends via Twitch/YouTube/Discord—they watch on Xbox 360 browser/app, but you're not playing together.

For true shared play, both parties need the same platform (or a modern cross-play title on current-gen hardware).