Updated HOW_TO_PLAY.md for Luanti 5.10 and later (#4983)

Reviewed-on: https://git.minetest.land/VoxeLibre/VoxeLibre/pulls/4983
Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land>
Co-authored-by: Nicu <kneekoo@noreply.git.minetest.land>
Co-committed-by: Nicu <kneekoo@noreply.git.minetest.land>

HOW_TO_PLAY.md

@@ -4,20 +4,20 @@ How to play:
 
 #### Download Luanti
 - Navigate to https://www.luanti.org/ to download the client.
-- Once installed, open and select the "Content" tab
+- Once installed, open it and select the "Content" tab
 
 #### Install VoxeLibre from ContentDB
-- Click "Browse Online Content" and filter by Games (select "Games" from the dropdown box)
-- Find "VoxeLibre" (should be first on the list or on the first page)
-- Click the [+] button next to VoxeLibre and wait for download to finish
-- Click "Back to Main Menu"
+- Click "Browse online content" and click the Games button on top
+- Find "VoxeLibre" and click its panel
+- Click "Install" (top-right) and wait for the download to finish
+- Click "Back" twice to return to the main menu
 
 #### Create new world and play
-- Click "Start Game" tab
-- At the bottom click the VoxeLibre icon (the stone & sandstone ball with the letters VL)
+- Click the "Start Game" tab
+- At the bottom, click the VoxeLibre icon (ball-like with VL on it)
 - Click "New", give your world a name
-- You can leave seed blank or put in a word of your choice
-- Pick a mapgen or leave the default (v7, valleys or carpathian mapgens are recommended)
-- Pick mapgen options on the right (enabling everything is recommended)
+- You can leave "Seed" blank or put in numbers or a word of your choice
+- Pick a mapgen or leave the default (recommended: v7, valleys or carpathian)
+- Pick mapgen options on the right (recommended: all enabled) and click "Create"
 - Select your new world
-- Click "Play Game" and enjoy!
+- Click "Play Game" and enjoy!