update readme

- don't collapse chip list (will revert if it actually happens to intimidate people)
- update installation instructions
- change the doc section

README.md

@@ -4,9 +4,9 @@
 
 the biggest multi-system chiptune tracker ever made!
 
-[official site](https://tildearrow.org/furnace/) | [downloads](#downloads) | [installation](#installation) | [Unix/Linux packages](#packages)
+[mini-site](https://tildearrow.org/furnace/) | [downloads](#downloads) | [installation](#installation) | [Unix/Linux packages](#packages)
 
-[documentation/help](#quick-references) | [developer info](#developer-info)
+[documentation/discussion//help](#quick-references) | [developer info](#developer-info)
 
 ---
 ## downloads
@@ -17,10 +17,16 @@ for other operating systems, you may [build the source](#developer-info).
 
 [see here](https://nightly.link/tildearrow/furnace/workflows/build/master) for the latest unstable build.
 
+## installation
+
+- **Windows:** extract the .zip into a new directory for Furnace (or one you've created before). make a shortcut for `furnace.exe` if you wish.
+- **macOS:**  drag `Furnace` into the Applications directory (or the folder of your choice). drag everything else into a separate directory.
+  - when opening Furnace for the first time, make sure to right-click the Furnace app icon and then select Open.
+- **Linux/other:** instructions should be similar to Windows, unless you decide to install using your package manager (see [Unix/Linux packages](#packages)).
+
 ## features
 
-- <details><summary>a large selection of over 60 sound chips:</summary>
-
+- a large selection of sound chips:
   - Yamaha FM chips:
     - YM2151 (OPM)
     - YM2203 (OPN)
@@ -102,8 +108,6 @@ for other operating systems, you may [build the source](#developer-info).
     - SID2
     - SID3
     - Generic PCM DAC
-</details>
-
 - mix and match sound chips!
   - over 200 ready to use presets from computers, game consoles and arcade boards...
   - ...or create your own presets - up to 32 chips or a total of 128 channels!
@@ -119,7 +123,7 @@ for other operating systems, you may [build the source](#developer-info).
   - VGM export
   - ZSM export for Commander X16
   - TIunA export for Atari 2600
-  - SAP type R export for POKEY (playable by Altirra and [lzss-sap](https://github.com/dmsc/  lzss-sap))
+  - SAP type R export for POKEY (playable by Altirra and [lzss-sap](https://github.com/dmsc/lzss-sap))
   - audio file export - entire song, per chip or per channel
 - quality emulation cores (Nuked, MAME, SameBoy, Mednafen PCE, NSFplay, puNES, reSID, Stella, SAASound, vgsound_emu and ymfm)
 - wavetable synthesizer
@@ -151,18 +155,11 @@ for other operating systems, you may [build the source](#developer-info).
 # quick references
 
 - **help**:
-  - new to Furnace? check out the [quick start guide](doc/1-intro/quickstart.md)!
-  - explore the thorough [documentation](doc/README.md).
-  - find answers to [frequently asked questions (FAQ)](doc/1-intro/faq.md).
-  - there's more at the Furnace [wiki](https://github.com/tildearrow/furnace/wiki).
+  - new to Furnace? check out the [quick start guide](doc/1-intro/quickstart.md).
+  - [documentation](doc/README.md).
+  - [frequently asked questions (FAQ)](doc/1-intro/faq.md).
 - **discussion**: see the [Discussions](https://github.com/tildearrow/furnace/discussions) section, or the [Discord](https://discord.gg/QhA26dXD23).
 
-## installation
-
-- **Windows:** make a new folder for Furnace, unpack the .zip into it, and make a shortcut for `furnace.exe` to place wherever you like.
-- **MacOS:**  drag `furnace.app` into the Applications folder (or the folder of your choice). drag everything else into a separate folder or the folder of the .app depending on previous step.
-- **Linux:** either install via package manager or get from releases page. instructions should be similar to Windows, except for shortcuts, which may be either .desktop files or links.
-
 ## packages
 
 [![Packaging status](https://repology.org/badge/vertical-allrepos/furnace.svg)](https://repology.org/project/furnace/versions)