diff --git a/browser.go b/browser.go
index 4f8902b..0427fc9 100644
--- a/browser.go
+++ b/browser.go
@@ -241,16 +241,14 @@ func (b *Browser) ExpectTransitTo(rawurl string) *Browser {
 	return b
 }
 
-
-
-func (b *Browser) SetWindowSize(width,height int) {
-	b.session.GetCurrentWindowHandle().SetSize(webdriver.Size{width,height})
+func (b *Browser) SetWindowSize(width, height int) {
+	b.session.GetCurrentWindowHandle().SetSize(webdriver.Size{width, height})
 }
 
-func (b *Browser) GetWindowSize()(width,height int, err error) {
-	size,err := b.session.GetCurrentWindowHandle().GetSize()
+func (b *Browser) GetWindowSize() (width, height int, err error) {
+	size, err := b.session.GetCurrentWindowHandle().GetSize()
 	if err != nil {
 		return
 	}
-	return size.Width,size.Height, nil
+	return size.Width, size.Height, nil
 }
diff --git a/chrome/setup.go b/chrome/setup.go
index b5725be..24a9be4 100644
--- a/chrome/setup.go
+++ b/chrome/setup.go
@@ -47,7 +47,7 @@ func chromeVersion() (version string) {
 		}
 	}
 	if err != nil {
-		return "74"
+		return "83"
 	}
 	return parseChromeVersion(line)
 }
@@ -82,7 +82,7 @@ func targetArch() (target string, err error) {
 
 	switch runtime.GOOS {
 	case "darwin":
-		return "mac32", nil
+		return "mac64", nil
 	case "linux":
 		return "linux" + arch, nil
 	case "windows":
diff --git a/chrome/version_test.go b/chrome/version_test.go
index bd354cf..1d54be6 100644
--- a/chrome/version_test.go
+++ b/chrome/version_test.go
@@ -7,9 +7,9 @@ func TestParseChromeVersion(t *testing.T) {
 		line    string
 		version string
 	}{
-		{`Chromium 73.0.3683.75 Built on Ubuntu , running on Ubuntu 16.04`, "73"},
-		{`Chromium 72.0.3626.122 built on Debian 9.8, running on Debian 9.4`, "72"},
-		{`Google Chrome 73.0.3683.103`, "73"},
+		{`Chromium 83.0.4103.39 Built on Ubuntu , running on Ubuntu 16.04`, "83"},
+		{`Chromium 81.0.4044.92 built on Debian 9.8, running on Debian 9.4`, "81"},
+		{`Google Chrome 83.0.4103.39`, "83"},
 	}
 
 	for n, tt := range tests {
diff --git a/example/example_test.go b/example/example_test.go
index b362758..87c3caa 100644
--- a/example/example_test.go
+++ b/example/example_test.go
@@ -61,7 +61,7 @@ func TestPlayground(t *testing.T) {
 
 	b := ts.OpenBrowser()
 	b.SetWindowSize(1600,1200)
-	b.SetPageLoadTimeout(2 * time.Second)
+	b.SetPageLoadTimeout(4 * time.Second)
 
 	b.VisitTo("https://play.golang.org/")
 	b.WaitFor("id:code").Element().Clear().Input(code)