olemus
süsteemi, riistvara, püsivara või tarkvara asendamine uuema versiooniga või täiendamine selleni
Wiktionary, upgrade, verb
1. (transitive) to improve, usually applied to technology, generally by complete replacement of one or more components
2. (transitive) to replace with something better
3. (transitive) to improve the equipment or furnishings of or services rendered to
5. (intransitive, computing) to replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name

ülevaateid
https://en.wikipedia.org/wiki/Upgrade
https://www.marketlinks.org/good-practice-center/value-chain-wiki/types-upgrading

vt ka
- ajakohastamine
- dünaamiline uuendamine
- uuend
- värskendamine