For anyone browsing Malachain, here is a clear starting point on the subject.
A large share of films made in the silent era no longer exist, lost to decay, fire or simple neglect. Film archives work to prevent further losses by storing original reels in cold, dry vaults and copying fragile material before it deteriorates. Early nitrate film is especially delicate and can even be a fire hazard, so it needs specialist storage.
Restoration combines careful detective work with modern technology. Archivists compare surviving prints from different countries, scan each frame at high resolution and remove scratches, dust and flicker while trying to respect how the film originally looked. Many restored classics are later shown in cinemas or released for home viewing, giving new audiences a chance to see them.
If you try any of these ideas, start small and adjust them to your own situation. What works for one person will not suit everyone, and it is fine to keep only the parts that help. Writing down what you changed, and what happened, makes it much easier to see after a few weeks whether the effort was worthwhile.
The most useful step is usually the first one. Pick a single suggestion, try it for a couple of weeks, and then decide whether it is worth keeping. Small, steady improvements last longer than ambitious plans that are hard to maintain once everyday life gets busy again.
It also helps to talk the subject through with friends or colleagues who have tried something similar. Their experience points out the details that guides leave out: how long things really take, which costs were unexpected, and which shortcuts turned out to be a mistake.