from the wall outlet to ensure absolute safety.
If you prefer not to open the case, you can often find the wattage through your records: how to check power supply wattage windows 10
If you bought the PC or PSU online, check your order confirmation emails or account history on sites like Amazon or Newegg. from the wall outlet to ensure absolute safety
Press Ctrl + Shift + Esc to open → Click Performance tab. Note: how to check power supply wattage windows 10