Use a wired Ethernet connection
Update GPU, chipset, network, and audio drivers
Enable XMP/EXPO for RAM
Set Windows power plan to High Performance or Ultimate Performance
Close unnecessary background apps and startup programs
Disable overlays you do not need
Use game mode and hardware-accelerated GPU scheduling if stable
Stream with hardware encoding on the GPU when possible
Lower in-game graphics settings that impact CPU and GPU heavily
Cap in-game FPS to reduce load and stabilize frame times
Match stream resolution and bitrate to your upload speed
Use 1080p60, 900p60, or 720p60 based on system and bandwidth
Keep OBS or streaming software updated
Use a dedicated streaming scene collection and lightweight sources
Avoid browser sources and heavy animated overlays when possible
Use NVENC, AMF, or Quick Sync instead of x264 if needed
Set OBS process priority to Above Normal
Record and stream separately only if your system can handle it
Monitor CPU, GPU, RAM, and VRAM usage while streaming
Keep temperatures under control with proper cooling and airflow
Clean dust from the PC regularly
Use SSDs for games, streaming software, and recordings
Disable Windows notifications and focus assist
Turn off unnecessary RGB and vendor software in the background
Use a separate microphone processing chain only if needed
Test different bitrate, preset, and keyframe settings
Use a second monitor for chat and controls if available
Keep browser tabs and launchers closed during streaming
Prioritize game and streaming traffic on your router if supported