The honest answer to geforce now store has changed at least once, which is why old threads disagree.

Short answer

Support exists where the publisher ships a native build; everything else is streaming or emulation with the trade-offs that implies.

  • Check the store page's supported-platforms box, not the trailer.
  • Assume mobile versions are a different game with the same name.
  • Check the version you are actually running before assuming anything is broken.

Siege rewards knowing the building more than knowing the gun, which is why map knowledge outranks aim here. Cross-progression carries your account; crossplay only puts you in the same lobby. A cut-down port is still a port, and the difference usually shows up in player counts rather than frame rates.

How to check before you buy

A single check up front replaces a lot of guessing later. Handheld versions often trail the main build by a full season. Console certification adds weeks to every patch, which is why fixes land unevenly. Rainbow Six Siege is not shy about hiding useful information two menus deep, so some of this is simply knowing where to look.

Some features are disabled per-platform for reasons that have nothing to do with performance. Store pages list supported platforms accurately; trailers do not. Do the cheap check before the expensive one — that ordering alone saves most of the frustration.

Which versions exist right now

Cloud streaming sidesteps the hardware question and introduces a latency one instead. What follows assumes you are on a current install and have not modified it. Everything below is framed around the current state of Rainbow Six Siege rather than a launch-week impression.

  • Check whether the version on sale is the current-gen one.
  • Look for a cross-progression toggle in account settings before starting fresh.
  • Expect one number in every guide to be out of date; the method is what matters.
  • Verify controller support separately from platform support.
  • Confirm whether your friends are on the same build, not just the same game.
  • Stop and reassess after two failed attempts rather than repeating the third.

What you lose on the smaller platforms

Where something depends on your platform or region, that is called out rather than glossed over. It helps to understand why a step exists, because then you can adapt it when your situation is slightly different. If you are coming to this after a long break, the terminology has probably moved on. The awkward part is rarely the step itself, it is knowing which step comes first.

Half the pages on this topic were written for a build that no longer exists, which is why they stop matching what you see. None of this needs a paid tool, a third-party launcher or an account on a site you have never heard of. Treat anything stated without a version number as provisional.

Crossplay versus cross-progression

Anything that behaves differently on console than on PC is flagged where it matters. If a step reads as obvious, do it anyway — the obvious ones are the ones people skip and then wonder about. The community wisdom on this is roughly half right, and the half that is wrong costs the most time.

Nothing here assumes a particular playstyle beyond wanting the thing to work. Most of the disagreement you will find online is two people describing different builds. Screenshots age faster than text, which is why this describes rather than shows.

Streaming as a fallback

Where two approaches both work, the one with fewer moving parts is the one to keep. If your result differs from what is described here, note what is different first rather than starting over. Patch notes move numbers around constantly; the shape of the answer holds even when a specific value shifts.

Where people go wrong

  • Changing five things at once and then not knowing which one helped.
  • Downloading a helper tool for something the game already does in its own menu.
  • Treating a rare edge case as the normal behaviour and planning around it.
  • Assuming a guide from an older season still describes the current version.

Siege FAQ

Does my progress carry across platforms?

That is cross-progression, and it needs to be linked through the publisher account before you start playing on the second device.

Why do other guides describe this differently?

Most were written for an earlier version and never revisited. Compare the steps against what your build actually shows.

Is this still accurate after the latest Rainbow Six Siege update?

The method is; individual numbers may not be. If a value on your screen differs, trust the screen and keep the sequence.

Will Rainbow Six Siege come to the platform I own?

If it has not been announced, treat it as no. Ports get announced long before they ship, never after.

If you only take one thing from this: the answer near the top is the part that matters, the rest is context.