diff --git a/7zip.json b/7zip.json
index 105f68d64d..0c6d025106 100644
--- a/7zip.json
+++ b/7zip.json
@@ -2,6 +2,17 @@
 	"homepage": "http://www.7-zip.org/",
 	"license": "http://www.7-zip.org/license.txt",
 	"version": "9.20",
-	"url": "http://downloads.sourceforge.net/sevenzip/7za920.zip",
-	"bin": "7za.exe"
+	"architecture": {
+		"64bit": {
+			"url": "http://downloads.sourceforge.net/project/sevenzip/7-Zip/9.20/7z920-x64.msi",
+			"hash": { "sha256": "62df458bc521001cd9a947643a84810ecbaa5a16b5c8e87d80df8e34c4a16fe2" },
+			"msi": { "code": "{23170F69-40C1-2702-0920-000001000000}" }
+		},
+		"32bit": {
+			"url": "http://downloads.sourceforge.net/project/sevenzip/7-Zip/9.20/7z920.msi",
+			"hash": { "sha256": "fe4807b4698ec89f82de7d85d32deaa4c772fc871537e31fb0fccf4473455cb8" },
+			"msi": { "code": "{23170F69-40C1-2701-0920-000001000000}" }
+		}
+	},
+	"bin": "7z.exe"
 }
\ No newline at end of file