You’ve already gotten good answers so I just wanted to reply that I indeed wasn’t joking.
You can have decentralized planning. Those aren’t mutually exclusive.
Decentralization doesn’t mean you can’t have organization, communication or coordination.
What do you think makes it hard to combine planning, decentralization and democracy?
Installing something like Linux Mint or Ubuntu is fairly easy. The hardest part is probably creating the install media and that’s not particularly hard ei her.
If you don’t rely on specific software (like Adobe), using Linux is a good idea. I’d still advice not to mess with a computer you rely on and wait until you have sufficient time to troubleshoot something. Even if nothing goes wrong a new OS can still take a little getting used to.
My local anarchist collective has already decided to donate and is currently looking at how we can do additional fundraising.
This book can’t be recommended enough.
If you’re an experienced activist you’ll probably know a lot of what it says already, but it’ll do so in language that helps you teach it to newer people looking to get involved.