Here, I explain to how to Disable Bixby on Samsung Galaxy S8 and The Bixby feature on the Samsung Galaxy Note8 and Galaxy S8 is a handy feature to some users and annoying to others and you see method to very easy Disable Bixby on Galaxy S8.
Method 1 (Disable Home Screen Bixby)
Now option will prevent Bixby from showing as a Home screen and not disable the Bixby button see below Steps.
Step 1: Tap and hold a blank area of the Home screen.
Step 2: Swipe all the far left screen.
Step 3: Tap the upper right portion of the screen
Step 4: Turn the Bixby screen on or off.
Step 1: Download and in Install the Bixby Button Remapper app.
Step 2: Go to Settings > Accessibility > Bixby Remapper.
Step 3: Then set it to on.
Step 4: Go back to the Bixby Remapper app.
Step 5: tap Bixby Button Action.
Step 6: After you can set it to do nothing after open Google Assistant, open the Camera and other.
Method 3 (Method only works if your Bixby software has been updated to the latest version)
Step 1: Open Bixby.
Step 2: Tap the gear icon.
Step 3: Select to turn the Bixby button on or off.
Step 4: Done.
Now completed guide for How to Disable Bixby on Samsung Galaxy S8 and you read this guide very helpful for you.