diff --git a/ext/standard/crc32.c b/ext/standard/crc32.c
index d13eee14fbe9d..69d1d55fdd16f 100644
--- a/ext/standard/crc32.c
+++ b/ext/standard/crc32.c
@@ -20,7 +20,9 @@
 #include "crc32_x86.h"
 
 #ifdef HAVE_AARCH64_CRC32
+#ifndef PHP_WIN32
 # include <arm_acle.h>
+#endif
 # if defined(__linux__)
 #  include <sys/auxv.h>
 #  include <asm/hwcap.h>
@@ -53,6 +55,9 @@ static inline int has_crc32_insn() {
 	if (sysctlbyname("hw.optional.armv8_crc32", &res, &reslen, NULL, 0) < 0)
 		res = 0;
 	return res;
+# elif defined(WIN32)
+	res = (int)IsProcessorFeaturePresent(PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE);
+	return res;
 # else
 	res = 0;
 	return res;
diff --git a/ext/standard/info.c b/ext/standard/info.c
index acd1a1b36cfce..a7efe770f06e4 100644
--- a/ext/standard/info.c
+++ b/ext/standard/info.c
@@ -647,6 +647,11 @@ void php_get_windows_cpu(char *buf, int bufsize)
 		case PROCESSOR_ARCHITECTURE_AMD64 :
 			snprintf(buf, bufsize, "AMD64");
 			break;
+#endif
+#if defined(PROCESSOR_ARCHITECTURE_ARM64)
+		case PROCESSOR_ARCHITECTURE_ARM64 :
+			snprintf(buf, bufsize, "ARM64");
+			break;
 #endif
 		case PROCESSOR_ARCHITECTURE_UNKNOWN :
 		default: