Installing RapidWeaver 5.3.2 on new MacBook Air

I’m using RapidWeaver 5.3.2 on my desktop iMac (OSX Yosemite 10.10.5).
I want to be able to work on my existing websites from my new MacBook Air (OSX El Capitan (10.11.2).
Can the older version of RapidWeaver be installed on the MacBook? If not and I install RW7, will I be able to access/work on these websites from the laptop?

I have RW 5 (5.3.2) running on my MBA. It takes a bit longer to preview pages if you have a lot of content on them.

I’ve been running RW6 and now RW7 on a 2013 macbook air with no problems.

Can I transfer/install RW 5.3.2 from my iMac to MacBook Air?