Thank you for the reminder! I did that once to install and once more when there was an error relating to the key. I will run it again.
Would you recommend users schedule it (monthly)?
It can be done with the instructions linked below.
I used the "Installing Sync Package On Linux" article to install Sync on a Raspberry Pi 3 without an error. Reminder: add firewall rules to permit traffic.
After it failed to update twice in Windows 10 I also visited the site to download the update.
This morning a prompt to install 2.5.12 appeared; it installed without an error.