Given that this is a prevailing question asked on plenty of other forums as well, it was decided to look into the issue. The first solution that may pop into your head would be to just block the applications one-by-one. However, unless your PC has a fresh Windows install and there few programs and processes, this can end up being a tedious task.

How can you block all Windows 10 processes except one, at once?

1. Manually block processes one-by-one

While admittedly the most tedious method of them all, it is also the simplest. This makes it excellent for those who aren’t used to using a computer too much.

2. Make Windows Firewall  block all outgoing traffic by default, then select the exceptions

This is pretty much the opposite of the method listed above, as it is best used when you have too many processes that need blocking.

3. Use IPSec

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