Avast’s free version already provides excellent core protection. The premium version adds extras like a firewall, ransomware shield, and VPN. Do you really need those? Most home users don’t.
In the early 2000s, some software companies offered "lifetime licenses" as a marketing strategy. A few extended those lifetimes arbitrarily to far-future dates (e.g., 2050) to avoid constant renewal coding. If you purchased a lifetime Avast license around 2005–2010, an could be your digital proof. avastlic file till 2050
A license valid till 2050 should include a "grace period" mechanism. For example: avastlic file till 2050