diff --git a/models/user/user.go b/models/user/user.go
index 86a3549345..7c871bf575 100644
--- a/models/user/user.go
+++ b/models/user/user.go
@@ -831,6 +831,20 @@ type CountUserFilter struct {
 	IsActive       optional.Option[bool]
 }
 
+// HasUsers checks whether there are any users in the database, or only one user exists.
+func HasUsers(ctx context.Context) (ret struct {
+	HasAnyUser, HasOnlyOneUser bool
+}, err error,
+) {
+	res, err := db.GetEngine(ctx).Table(&User{}).Cols("id").Limit(2).Query()
+	if err != nil {
+		return ret, fmt.Errorf("error checking user existence: %w", err)
+	}
+	ret.HasAnyUser = len(res) != 0
+	ret.HasOnlyOneUser = len(res) == 1
+	return ret, nil
+}
+
 // CountUsers returns number of users.
 func CountUsers(ctx context.Context, opts *CountUserFilter) int64 {
 	return countUsers(ctx, opts)
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index e94e0ab9ca..4d1f7e7bf4 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -421,6 +421,7 @@ remember_me.compromised = The login token is not valid anymore which may indicat
 forgot_password_title= Forgot Password
 forgot_password = Forgot password?
 need_account = Need an account?
+sign_up_tip = You are registering the first account in the system, which has administrator privileges. Please carefully remember your username and password. If you forget the username or password, please refer to the Gitea documentation to recover the account.
 sign_up_now = Register now.
 sign_up_successful = Account was successfully created. Welcome!
 confirmation_mail_sent_prompt_ex = A new confirmation email has been sent to <b>%s</b>. Please check your inbox within the next %s to complete the registration process. If your registration email address is incorrect, you can sign in again and change it.
diff --git a/routers/install/install.go b/routers/install/install.go
index b9bc41dfcf..c1da79454a 100644
--- a/routers/install/install.go
+++ b/routers/install/install.go
@@ -601,5 +601,7 @@ func SubmitInstall(ctx *context.Context) {
 // InstallDone shows the "post-install" page, makes it easier to develop the page.
 // The name is not called as "PostInstall" to avoid misinterpretation as a handler for "POST /install"
 func InstallDone(ctx *context.Context) { //nolint
+	hasUsers, _ := user_model.HasUsers(ctx)
+	ctx.Data["IsAccountCreated"] = hasUsers.HasAnyUser
 	ctx.HTML(http.StatusOK, tplPostInstall)
 }
diff --git a/routers/web/auth/auth.go b/routers/web/auth/auth.go
index 87edbc357b..94f75f69ff 100644
--- a/routers/web/auth/auth.go
+++ b/routers/web/auth/auth.go
@@ -421,9 +421,11 @@ func SignOut(ctx *context.Context) {
 // SignUp render the register page
 func SignUp(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("sign_up")
-
 	ctx.Data["SignUpLink"] = setting.AppSubURL + "/user/sign_up"
 
+	hasUsers, _ := user_model.HasUsers(ctx)
+	ctx.Data["IsFirstTimeRegistration"] = !hasUsers.HasAnyUser
+
 	oauth2Providers, err := oauth2.GetOAuth2Providers(ctx, optional.Some(true))
 	if err != nil {
 		ctx.ServerError("UserSignUp", err)
@@ -610,7 +612,13 @@ func createUserInContext(ctx *context.Context, tpl templates.TplName, form any,
 // sends a confirmation email if required.
 func handleUserCreated(ctx *context.Context, u *user_model.User, gothUser *goth.User) (ok bool) {
 	// Auto-set admin for the only user.
-	if user_model.CountUsers(ctx, nil) == 1 {
+	hasUsers, err := user_model.HasUsers(ctx)
+	if err != nil {
+		ctx.ServerError("HasUsers", err)
+		return false
+	}
+	if hasUsers.HasOnlyOneUser {
+		// the only user is the one just created, will set it as admin
 		opts := &user_service.UpdateOptions{
 			IsActive:     optional.Some(true),
 			IsAdmin:      user_service.UpdateOptionFieldFromValue(true),
diff --git a/routers/web/explore/repo.go b/routers/web/explore/repo.go
index 855c2a50db..f0d7d0ce7d 100644
--- a/routers/web/explore/repo.go
+++ b/routers/web/explore/repo.go
@@ -151,6 +151,7 @@ func Repos(ctx *context.Context) {
 	ctx.Data["CodePageIsDisabled"] = setting.Service.Explore.DisableCodePage
 	ctx.Data["Title"] = ctx.Tr("explore")
 	ctx.Data["PageIsExplore"] = true
+	ctx.Data["ShowRepoOwnerOnList"] = true
 	ctx.Data["PageIsExploreRepositories"] = true
 	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
 
diff --git a/routers/web/repo/view.go b/routers/web/repo/view.go
index 68fa17bf07..f0d90f9533 100644
--- a/routers/web/repo/view.go
+++ b/routers/web/repo/view.go
@@ -394,9 +394,10 @@ func Forks(ctx *context.Context) {
 	}
 
 	pager := context.NewPagination(int(total), pageSize, page, 5)
+	ctx.Data["ShowRepoOwnerAvatar"] = true
+	ctx.Data["ShowRepoOwnerOnList"] = true
 	ctx.Data["Page"] = pager
-
-	ctx.Data["Forks"] = forks
+	ctx.Data["Repos"] = forks
 
 	ctx.HTML(http.StatusOK, tplForks)
 }
diff --git a/routers/web/user/profile.go b/routers/web/user/profile.go
index f6d50cf5fe..d7052914b6 100644
--- a/routers/web/user/profile.go
+++ b/routers/web/user/profile.go
@@ -197,6 +197,7 @@ func prepareUserProfileTabData(ctx *context.Context, profileDbRepo *repo_model.R
 		total = int(count)
 	case "stars":
 		ctx.Data["PageIsProfileStarList"] = true
+		ctx.Data["ShowRepoOwnerOnList"] = true
 		repos, count, err = repo_model.SearchRepository(ctx, repo_model.SearchRepoOptions{
 			ListOptions: db.ListOptions{
 				PageSize: pagingNum,
diff --git a/templates/admin/user/view.tmpl b/templates/admin/user/view.tmpl
index 31616ffbf9..67f9148e64 100644
--- a/templates/admin/user/view.tmpl
+++ b/templates/admin/user/view.tmpl
@@ -26,7 +26,7 @@
 		{{ctx.Locale.Tr "admin.repositories"}} ({{ctx.Locale.Tr "admin.total" .ReposTotal}})
 	</h4>
 	<div class="ui attached segment">
-		{{template "explore/repo_list" .}}
+		{{template "shared/repo/list" .}}
 	</div>
 	<h4 class="ui top attached header">
 		{{ctx.Locale.Tr "settings.organization"}} ({{ctx.Locale.Tr "admin.total" .OrgsTotal}})
diff --git a/templates/explore/repos.tmpl b/templates/explore/repos.tmpl
index 53742bf0d9..68da398306 100644
--- a/templates/explore/repos.tmpl
+++ b/templates/explore/repos.tmpl
@@ -2,8 +2,8 @@
 <div role="main" aria-label="{{.Title}}" class="page-content explore repositories">
 	{{template "explore/navbar" .}}
 	<div class="ui container">
-		{{template "shared/repo_search" .}}
-		{{template "explore/repo_list" .}}
+		{{template "shared/repo/search" .}}
+		{{template "shared/repo/list" .}}
 		{{template "base/paginate" .}}
 	</div>
 </div>
diff --git a/templates/org/home.tmpl b/templates/org/home.tmpl
index cffdfabfaa..3cde3554c9 100644
--- a/templates/org/home.tmpl
+++ b/templates/org/home.tmpl
@@ -8,8 +8,8 @@
 				{{if .ProfileReadmeContent}}
 					<div id="readme_profile" class="render-content markup" data-profile-view-as-member="{{.IsViewingOrgAsMember}}">{{.ProfileReadmeContent}}</div>
 				{{end}}
-				{{template "shared/repo_search" .}}
-				{{template "explore/repo_list" .}}
+				{{template "shared/repo/search" .}}
+				{{template "shared/repo/list" .}}
 				{{template "base/paginate" .}}
 			</div>
 
diff --git a/templates/post-install.tmpl b/templates/post-install.tmpl
index 0c9aa35c90..9baac4f84c 100644
--- a/templates/post-install.tmpl
+++ b/templates/post-install.tmpl
@@ -4,7 +4,7 @@
 		<!-- the "cup" has a handler, so move it a little leftward to make it visually in the center -->
 		<div class="tw-ml-[-30px]"><img width="160" src="{{AssetUrlPrefix}}/img/loading.png" alt aria-hidden="true"></div>
 		<div class="tw-my-[2em] tw-text-[18px]">
-			<a id="goto-user-login" href="{{AppSubUrl}}/user/login">{{ctx.Locale.Tr "install.installing_desc"}}</a>
+			<a id="goto-after-install" href="{{AppSubUrl}}{{Iif .IsAccountCreated "/user/login" "/user/sign_up"}}">{{ctx.Locale.Tr "install.installing_desc"}}</a>
 		</div>
 	</div>
 </div>
diff --git a/templates/repo/forks.tmpl b/templates/repo/forks.tmpl
index 725b67c651..6e46457893 100644
--- a/templates/repo/forks.tmpl
+++ b/templates/repo/forks.tmpl
@@ -1,20 +1,12 @@
 {{template "base/head" .}}
 <div role="main" aria-label="{{.Title}}" class="page-content repository forks">
 	{{template "repo/header" .}}
-	<div class="ui container">
+	<div class="ui container fork-list">
 		<h2 class="ui dividing header">
 			{{ctx.Locale.Tr "repo.forks"}}
 		</h2>
-		<div class="flex-list">
-		{{range .Forks}}
-			<div class="flex-item tw-border-0 repo-fork-item">
-				<span>{{ctx.AvatarUtils.Avatar .Owner}}</span>
-				<span><a href="{{.Owner.HomeLink}}">{{.Owner.Name}}</a> / <a href="{{.Link}}">{{.Name}}</a></span>
-			</div>
-		{{end}}
-		</div>
+		{{template "shared/repo/list" .}}
+		{{template "base/paginate" .}}
 	</div>
-
-	{{template "base/paginate" .}}
 </div>
 {{template "base/footer" .}}
diff --git a/templates/explore/repo_list.tmpl b/templates/shared/repo/list.tmpl
similarity index 93%
rename from templates/explore/repo_list.tmpl
rename to templates/shared/repo/list.tmpl
index ad190b89b2..2c8af14f9c 100644
--- a/templates/explore/repo_list.tmpl
+++ b/templates/shared/repo/list.tmpl
@@ -2,12 +2,16 @@
 	{{range .Repos}}
 		<div class="flex-item">
 			<div class="flex-item-leading">
-				{{template "repo/icon" .}}
+				{{if $.ShowRepoOwnerAvatar}}
+					{{ctx.AvatarUtils.Avatar .Owner 24}}
+				{{else}}
+					{{template "repo/icon" .}}
+				{{end}}
 			</div>
 			<div class="flex-item-main">
 				<div class="flex-item-header">
 					<div class="flex-item-title">
-						{{if and (or $.PageIsExplore $.PageIsProfileStarList) .Owner}}
+						{{if and $.ShowRepoOwnerOnList .Owner}}
 						<a class="text primary name" href="{{.Owner.HomeLink}}">{{.Owner.Name}}</a>/
 						{{end}}
 						<a class="text primary name" href="{{.Link}}">{{.Name}}</a>
diff --git a/templates/shared/repo_search.tmpl b/templates/shared/repo/search.tmpl
similarity index 100%
rename from templates/shared/repo_search.tmpl
rename to templates/shared/repo/search.tmpl
diff --git a/templates/user/auth/signup_inner.tmpl b/templates/user/auth/signup_inner.tmpl
index d66568199d..a3f6e1471f 100644
--- a/templates/user/auth/signup_inner.tmpl
+++ b/templates/user/auth/signup_inner.tmpl
@@ -7,6 +7,9 @@
 		{{end}}
 	</h4>
 	<div class="ui attached segment">
+		{{if .IsFirstTimeRegistration}}
+			<p>{{ctx.Locale.Tr "auth.sign_up_tip"}}</p>
+		{{end}}
 		<form class="ui form" action="{{.SignUpLink}}" method="post">
 			{{.CsrfTokenHtml}}
 			{{if or (not .LinkAccountMode) (and .LinkAccountMode .LinkAccountModeRegister)}}
diff --git a/templates/user/notification/notification_subscriptions.tmpl b/templates/user/notification/notification_subscriptions.tmpl
index 6ef53ab654..e4dd27e63b 100644
--- a/templates/user/notification/notification_subscriptions.tmpl
+++ b/templates/user/notification/notification_subscriptions.tmpl
@@ -69,8 +69,8 @@
 					{{template "shared/issuelist" dict "." . "listType" "dashboard"}}
 				{{end}}
 			{{else}}
-				{{template "shared/repo_search" .}}
-				{{template "explore/repo_list" .}}
+				{{template "shared/repo/search" .}}
+				{{template "shared/repo/list" .}}
 				{{template "base/paginate" .}}
 			{{end}}
 		</div>
diff --git a/templates/user/profile.tmpl b/templates/user/profile.tmpl
index e5c3412ddd..74a53b937d 100644
--- a/templates/user/profile.tmpl
+++ b/templates/user/profile.tmpl
@@ -17,8 +17,8 @@
 					{{template "user/dashboard/feeds" .}}
 				{{else if eq .TabName "stars"}}
 					<div class="stars">
-						{{template "shared/repo_search" .}}
-						{{template "explore/repo_list" .}}
+						{{template "shared/repo/search" .}}
+						{{template "shared/repo/list" .}}
 						{{template "base/paginate" .}}
 					</div>
 				{{else if eq .TabName "following"}}
@@ -30,8 +30,8 @@
 				{{else if eq .TabName "organizations"}}
 					{{template "repo/user_cards" .}}
 				{{else}}
-					{{template "shared/repo_search" .}}
-					{{template "explore/repo_list" .}}
+					{{template "shared/repo/search" .}}
+					{{template "shared/repo/list" .}}
 					{{template "base/paginate" .}}
 				{{end}}
 			</div>
diff --git a/tests/integration/repo_fork_test.go b/tests/integration/repo_fork_test.go
index db2caaf6ca..95325eefeb 100644
--- a/tests/integration/repo_fork_test.go
+++ b/tests/integration/repo_fork_test.go
@@ -84,7 +84,7 @@ func TestRepoForkToOrg(t *testing.T) {
 
 func TestForkListLimitedAndPrivateRepos(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
-	forkItemSelector := ".repo-fork-item"
+	forkItemSelector := ".fork-list .flex-item"
 
 	user1Sess := loginUser(t, "user1")
 	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{Name: "user1"})
diff --git a/web_src/js/features/install.ts b/web_src/js/features/install.ts
index 34df4757f9..ca4bcce881 100644
--- a/web_src/js/features/install.ts
+++ b/web_src/js/features/install.ts
@@ -104,7 +104,7 @@ function initPreInstall() {
 }
 
 function initPostInstall() {
-  const el = document.querySelector('#goto-user-login');
+  const el = document.querySelector('#goto-after-install');
   if (!el) return;
 
   const targetUrl = el.getAttribute('href');