diff --git a/BUILDING_ON_WINDOWS.md b/BUILDING_ON_WINDOWS.md
index b4a8ed61..da5ff181 100644
--- a/BUILDING_ON_WINDOWS.md
+++ b/BUILDING_ON_WINDOWS.md
@@ -33,13 +33,13 @@ Note: This installation will take about 1.5 GB of disk space.
 
 ### For our websocket library, we need OpenSSL 1.1
 
-1. Download OpenSSL for windows, version `1.1.1m`: **[Download](https://slproweb.com/download/Win64OpenSSL-1_1_1m.exe)**
+1. Download OpenSSL for windows, version `1.1.1n`: **[Download](https://slproweb.com/download/Win64OpenSSL-1_1_1n.exe)**
 2. When prompted, install OpenSSL to `C:\local\openssl`
 3. When prompted, copy the OpenSSL DLLs to "The OpenSSL binaries (/bin) directory".
 
 ### For Qt SSL, we need OpenSSL 1.0
 
-1. Download OpenSSL for Windows, version `1.0.2u`: **[Download](https://slproweb.com/download/Win64OpenSSL-1_0_2u.exe)**
+1. Download OpenSSL for Windows, version `1.0.2u`: **[Download](https://web.archive.org/web/20211109231823/https://slproweb.com/download/Win64OpenSSL-1_0_2u.exe)**
 2. When prompted, install it to any arbitrary empty directory.
 3. When prompted, copy the OpenSSL DLLs to "The OpenSSL binaries (/bin) directory".
 4. Copy the OpenSSL 1.0 files from its `\bin` folder to `C:\local\bin` (You will need to create the folder)