From 3e8604ef4c705a97d8073939aa055663bd394305 Mon Sep 17 00:00:00 2001
From: Jack Nolddor <1280022+nolddor@users.noreply.github.com>
Date: Fri, 27 Jun 2025 21:27:57 +0200
Subject: [PATCH 1/5] feat: hide `install steam` for owned games

---
 scripts/global.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/global.js b/scripts/global.js
index 7479c06ec..3679a2f40 100644
--- a/scripts/global.js
+++ b/scripts/global.js
@@ -25,10 +25,10 @@ else
 	{
 		if( items[ 'enhancement-hide-install-button' ] )
 		{
-			/** @type {HTMLElement} */
-			const button = document.querySelector( '.header_installsteam_btn' );
+			/** @type {NodeListOf<HTMLAnchorElement>} */
+			const buttons = document.querySelectorAll( '.header_installsteam_btn, .game_area_already_owned_btn:first-of-type>a' );
 
-			if( button )
+			for( const button of buttons )
 			{
 				button.setAttribute( 'hidden', 'true' );
 				button.style.display = 'none';

From f4a63a20d536aa997a416e47cd5e40978e334967 Mon Sep 17 00:00:00 2001
From: Jack Nolddor <1280022+nolddor@users.noreply.github.com>
Date: Fri, 27 Jun 2025 22:03:37 +0200
Subject: [PATCH 2/5] Revert "feat: hide `install steam` for owned games"

This reverts commit 3e8604ef4c705a97d8073939aa055663bd394305.
---
 scripts/global.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/global.js b/scripts/global.js
index 3679a2f40..7479c06ec 100644
--- a/scripts/global.js
+++ b/scripts/global.js
@@ -25,10 +25,10 @@ else
 	{
 		if( items[ 'enhancement-hide-install-button' ] )
 		{
-			/** @type {NodeListOf<HTMLAnchorElement>} */
-			const buttons = document.querySelectorAll( '.header_installsteam_btn, .game_area_already_owned_btn:first-of-type>a' );
+			/** @type {HTMLElement} */
+			const button = document.querySelector( '.header_installsteam_btn' );
 
-			for( const button of buttons )
+			if( button )
 			{
 				button.setAttribute( 'hidden', 'true' );
 				button.style.display = 'none';

From 7b50cbc997bceff592f8b8bf8e999cae2650a980 Mon Sep 17 00:00:00 2001
From: Jack Nolddor <1280022+nolddor@users.noreply.github.com>
Date: Fri, 27 Jun 2025 22:28:18 +0200
Subject: [PATCH 3/5] feat: hide `install steam` for owned games

---
 scripts/store/app.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/scripts/store/app.js b/scripts/store/app.js
index e6001f5fd..af666846e 100644
--- a/scripts/store/app.js
+++ b/scripts/store/app.js
@@ -22,8 +22,25 @@ else
 		'steamdb-last-update': true,
 		'enhancement-hide-mobile-app-button': false,
 		'collapse-already-in-library': false,
+		'enhancement-hide-install-button': true,
 	}, ( items ) =>
 	{
+		if( items[ 'enhancement-hide-install-button' ] )
+		{
+			// On app page, `Install Steam` and `Play Now` buttons share the same `.game_area_already_owned_btn` class.
+			// To distinguish them, we are hiding the first one only if href attribute points to /about/ to avoid
+			// hiding the `Play Now` button or any other in the event Valve decides to change the order.
+
+			/** @type {HTMLAnchorElement} */
+			const button = document.querySelector( '.game_area_already_owned_btn:first-of-type a' );
+
+			if( button && button.pathname === "/about/" )
+			{
+				button.setAttribute( 'hidden', 'true' );
+				button.style.display = 'none';
+			}
+		}
+
 		if( ( items[ 'steamdb-last-update' ] || items[ 'online-stats' ] ) && !document.querySelector( '.game_area_dlc_bubble' ) )
 		{
 			DrawOnlineStatsWidget( items );

From 481341173c5165221f296252f42fc30241309ed7 Mon Sep 17 00:00:00 2001
From: Jack Nolddor <1280022+nolddor@users.noreply.github.com>
Date: Fri, 27 Jun 2025 22:35:18 +0200
Subject: [PATCH 4/5] chore: reorder hiding logic after draw logic

---
 scripts/store/app.js | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/scripts/store/app.js b/scripts/store/app.js
index af666846e..d43dc40fb 100644
--- a/scripts/store/app.js
+++ b/scripts/store/app.js
@@ -25,6 +25,16 @@ else
 		'enhancement-hide-install-button': true,
 	}, ( items ) =>
 	{
+		if( ( items[ 'steamdb-last-update' ] || items[ 'online-stats' ] ) && !document.querySelector( '.game_area_dlc_bubble' ) )
+		{
+			DrawOnlineStatsWidget( items );
+		}
+
+		if( items[ 'steamdb-lowest-price' ] )
+		{
+			DrawLowestPrice();
+		}
+
 		if( items[ 'enhancement-hide-install-button' ] )
 		{
 			// On app page, `Install Steam` and `Play Now` buttons share the same `.game_area_already_owned_btn` class.
@@ -41,16 +51,6 @@ else
 			}
 		}
 
-		if( ( items[ 'steamdb-last-update' ] || items[ 'online-stats' ] ) && !document.querySelector( '.game_area_dlc_bubble' ) )
-		{
-			DrawOnlineStatsWidget( items );
-		}
-
-		if( items[ 'steamdb-lowest-price' ] )
-		{
-			DrawLowestPrice();
-		}
-
 		if( items[ 'enhancement-hide-mobile-app-button' ] )
 		{
 			/** @type {HTMLMetaElement} */

From ac40741110ca9afafdfa3e458575a72507f5b5bf Mon Sep 17 00:00:00 2001
From: Jack Nolddor <1280022+nolddor@users.noreply.github.com>
Date: Sat, 28 Jun 2025 17:42:49 +0200
Subject: [PATCH 5/5] chore: rework option message after feature enhancement

---
 _locales/en/messages.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index da06083a2..29378064d 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -631,7 +631,7 @@
 		"description": "Steam Subscriber Agreement (SSA): https://store.steampowered.com/subscriber_agreement/"
 	},
 	"options_enhancement_hide_install_button": {
-		"message": "Hide \"Install Steam\" button in header",
+		"message": "Hide \"Install Steam\" button in header and product pages",
 		"description:": "\"Install Steam\" should match what the button on Steam itself in the header says: https://store.steampowered.com/"
 	},
 	"options_enhancement_hide_mobile_app_button": {