diff --git a/README.md b/README.md
index 4e24fce..3b31b9b 100644
--- a/README.md
+++ b/README.md
@@ -522,13 +522,13 @@ the [browser malware](#browser-malware) section.*
 * [PPEE (puppy)](https://www.mzrst.com/) - A Professional PE file Explorer for
   reversers, malware researchers and those who want to statically inspect PE
   files in more detail.
-* [Process Explorer](https://docs.microsoft.com/sysinternals/downloads/process-explorer) -
+* [Process Explorer](https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer) -
   Advanced task manager for Windows.
 * [Process Hacker](http://processhacker.sourceforge.net/) - Tool that monitors
   system resources.
-* [Process Monitor](https://docs.microsoft.com/sysinternals/downloads/procmon) -
+* [Process Monitor](https://docs.microsoft.com/en-us/sysinternals/downloads/procmon) -
   Advanced monitoring tool for Windows programs.
-* [PSTools](https://docs.microsoft.com/sysinternals/downloads/pstools) - Windows
+* [PSTools](https://docs.microsoft.com/en-us/sysinternals/downloads/pstools) - Windows
   command-line tools that help manage and investigate live systems.
 * [Pyew](https://github.com/joxeankoret/pyew) - Python tool for malware
   analysis.
@@ -570,7 +570,7 @@ the [browser malware](#browser-malware) section.*
   decoding framework.
 * [CloudShark](https://www.cloudshark.org) - Web-based tool for packet analysis
   and malware traffic detection.
-* [Fiddler](http://www.telerik.com/fiddler) - Intercepting web proxy designed
+* [Fiddler](https://www.telerik.com/fiddler) - Intercepting web proxy designed
   for "web debugging."
 * [Hale](https://github.com/pjlantz/Hale) - Botnet C&C monitor.
 * [Haka](http://www.haka-security.org/) - An open source security oriented