How to Turn on a Windows PC
- Turn on by pressing the power button.
 - Wait for the computer to start up.
 - If you have multiple user accounts, select one.
 - Log on. If you have a password, type it.
 - Do whatever you want, but be careful when surfing the internet.
 
source: wikihow.com
'Log on. If you have a password, type it.' (step 4). The underlined words can be replaced with ....