win: allow skipping the supported platform check

Fixes: nodejs#33034

doc/api/cli.md

@@ -1336,6 +1336,14 @@ added:
 Path to a Node.js module which will be loaded in place of the built-in REPL.
 Overriding this value to an empty string (`''`) will use the built-in REPL.
 
+### `NODE_SKIP_PLATFORM_CHECK=value`
+<!-- YAML
+added: REPLACEME
+-->
+
+Skips the check for a supported platform that happens during Node.js startup.
+Using this might lead to issues during execution.
+
 ### `NODE_TLS_REJECT_UNAUTHORIZED=value`
 
 If `value` equals `'0'`, certificate validation is disabled for TLS connections.

src/node_main.cc

@@ -27,13 +27,19 @@
 #include <VersionHelpers.h>
 #include <WinError.h>
 
+#define SKIP_CHECK_VAR "NODE_SKIP_PLATFORM_CHECK"
+
 int wmain(int argc, wchar_t* wargv[]) {
   // Windows Server 2012 (not R2) is supported until 10/10/2023, so we allow it
   // to run in the experimental support tier.
   if (!IsWindows8Point1OrGreater() &&
-      !(IsWindowsServer() && IsWindows8OrGreater())) {
+      !(IsWindowsServer() && IsWindows8OrGreater()) &&
+      GetEnvironmentVariableA(SKIP_CHECK_VAR, nullptr, 0) == 0) {
     fprintf(stderr, "This application is only supported on Windows 8.1, "
-                    "Windows Server 2012 R2, or higher.");
+                    "Windows Server 2012 R2, or higher.\n"
+                    "If the environment varaible " SKIP_CHECK_VAR
+                    " is defined this check is skipped, but Node.js might "
+                    "not execute correctly.");
     exit(ERROR_EXE_MACHINE_TYPE_MISMATCH);
   }