I try to get to the windows bi-annually but I honestly can’t remember when we did it last. (The scariest thing is I don’t know if that’s the haze of the last 2.5 years or if it’s actually been that long.) But we washed them yesterday and it felt like the restoration of the Sistine Chapel: so bright! so light!
So for this week, think about washing those windows. I highly recommend this tool plus a telescoping pole; if you want to get fancy, you can even get the rectangular bucket. 
Next up: tackling the blinds. I might call in a pro for that, though…