How to Fix Lag on PC [General Performance Tuning]

To fix lag on your PC and boost general performance, start with these proven steps:

Keep Windows and Drivers Updated

Regularly update Windows and all device drivers, especially graphics, chipset, and network drivers. Check for updates via Settings > Windows Update.

Restart and Limit Startup Apps

Restart your PC to clear memory and close lingering processes. Disable unnecessary startup programs using Task Manager (Ctrl+Shift+Esc > Startup tab) to speed up boot times and reduce background load.

Close Background Processes

Shut down unused applications and browser tabs before gaming or heavy tasks. Use Task Manager to identify and end high-resource processes.

Optimize Power and Performance Settings

Set your PC to “High Performance” or “Ultimate Performance” mode under Control Panel > Power Options for maximum speed. On laptops, always game while plugged in.

Adjust Visual Effects

Reduce or disable Windows visual effects:

System Properties > Advanced > Performance Settings > “Adjust for best performance”.

Clean Up Disk Space

Use built-in tools like Disk Cleanup or Storage Sense to remove temporary files and free up space. Defragment your HDD (not SSD) for faster file access.

Scan for Malware

Run a full antivirus and anti-malware scan to eliminate threats that slow down your PC.

Upgrade Hardware if Needed

If lag persists, consider upgrading to an SSD, adding more RAM, or updating your CPU/GPU for a significant speed boost.

WTFast

WTFast works with most online games, automatically adapting to different servers and locations for consistently better performance.