If OKRs - “Objectives and Key Results” - are completely new to you, there are probably better introductions. But if you’re looking for a lightweight OKR system that has worked well for me, then here goes.
Many of the problems I’ve seen and heard of with OKRs seem to come from well-intentioned people taking Google’s implementation of OKRs (which includes scoring and assessment and measurement and other complexities and nuances) and misapplying it, copying some parts but not other essential pieces, and just generally having a square-peg-round-hole situation.
I’m sure the Google system works well for Google. Here’s what has worked well for me.