upgrade

US /ʌpˈɡreɪd/
UK /ʌpˈɡreɪd/
"upgrade" picture
1.

an act of upgrading something

:
The software requires an upgrade to the latest version.
We received a free upgrade to a suite.
1.

raise (something) to a higher standard, in particular improve (equipment or software) to make it more effective

:
You can upgrade your computer's memory for better performance.
The airline offered to upgrade our seats to first class.