PC 英語で:

I'm too cheap to play anything but homebrew PC games.

Do you need as many licenses as you have operating systems installed in a multi-boot PC?

This PC will save you a lot of trouble.

I wonder if it would be possible for you to introduce me to Mr Harrison of PC Interactive Co. Ltd?

I borrowed the notebook PC from the junior staff member.

He's always playing up to the boss, in hopes of getting a new PC in his office.