The intention is to gather together the various answers I've given people as an Acorn Access Frequently Asked Questions list (FAQ). Depending on how I feel, this might be called Acorn FAQcess.
For now, though, there's an annotated page of downloads. Some are around 500KB, so please consider any bills you might have to pay.
If you've got to download to a PC and want to unzip on an Acorn (because all the filenames will break horribly if you don't), you need to download DEARCHIVE.BAS (81KB). Copy this to an Acorn-format disc or whatever, set its file type to BASIC and run it. Its name doesn't matter, by the way.