A bundle sale comes round, the maths is irresistible, and forty gigabytes of assets arrive as thirty zip files. You open two of them. The rest sit there for three years.
This happens to everybody, and the reason is not laziness.
#Why it stays shut
You cannot see inside it. A zip is a black box to every search your computer can do. To find out whether a bundle contains a usable barrel, you have to unzip it.
Unzipping is not free. Forty gigabytes compressed is more uncompressed, and doing it speculatively to find out what you own is a bad trade.
Unzipping destroys the packaging. Once extracted and tidied, the readme and the license file are usually gone, and the pack stops being a pack.
You did not choose these. A bundle is somebody else's selection. You bought it because ten of the thirty packs looked good, and you cannot remember which ten.
So the rational move at every individual moment is to leave it alone, and the sum of those rational moments is forty gigabytes of nothing.
#The thing that unlocks it
Index the archives without extracting them.
If something knows what is inside every zip, the bundle stops being a black box. Search reaches into all thirty at once, and the answer to "do I already own a barrel" takes a second instead of an afternoon. You extract the one pack you actually need, when you need it.
That is what Tessera does with archives: the contents are indexed and searchable, previews are generated from inside them, and the zip is never unpacked unless you ask.
#What to do with the one you have
Point the library at the folder the bundle lives in. Do not unzip anything, and do not copy it anywhere: if it is large, read it where it is so nothing is duplicated.
Then let it index, and go and do something else. When it is done, search for the things you actually need rather than browsing thirty archives you did not choose.
Most of a bundle will still go unused. That is fine, and it was always going to be true. The point is that the ten packs you wanted are now findable, which is the entire value you paid for.
#The licensing note
Bundles are the worst case for licensing records. Thirty packs from thirty creators, the terms on a web page you visited once, and often a mix of store licenses and Creative Commons within the same purchase.
Whatever you use, capture the source at the moment of purchase. The bundle page is the only place the terms exist, and it will not be there in three years.
Install Tessera, or read adding packs.