doc, build: fixup build docs

PR-URL: #54899
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

BUILDING.md

@@ -210,8 +210,7 @@ For use of AVX2,
 * llvm version 3.3 or higher
 * nasm version 2.10 or higher in Windows
 
-Please refer to
-<https://www.openssl.org/docs/man1.1.1/man3/OPENSSL_ia32cap.html> for details.
+Please refer to <https://docs.openssl.org/1.1.1/man3/OPENSSL_ia32cap/> for details.
 
 If compiling without one of the above, use `configure` with the
 `--openssl-no-asm` flag. Otherwise, `configure` will fail.
@@ -529,7 +528,7 @@ $ gdb /opt/node-debug/node core.node.8.1535359906
 [ASan](https://github.com/google/sanitizers) can help detect various memory
 related bugs. ASan builds are currently only supported on linux.
 If you want to check it on Windows or macOS or you want a consistent toolchain
-on Linux, you can try [Docker](https://www.docker.com/products/docker-desktop)
+on Linux, you can try [Docker](https://www.docker.com/products/docker-desktop/)
 (using an image like `gengjiawen/node-build:2020-02-14`).
 
 The `--debug` is not necessary and will slow down build and testing, but it can
@@ -622,7 +621,11 @@ vcpkg owns zlib1.dll
 vcpkg integrate remove
 ```
 
-Refs: #24448, <https://github.com/microsoft/vcpkg/issues/37518>, [vcpkg](https://github.com/microsoft/vcpkg/)
+Refs:
+
+1. <https://github.com/nodejs/node/issues/24448>
+2. <https://github.com/microsoft/vcpkg/issues/37518> / <https://github.com/microsoft/vcpkg/discussions/37546>
+3. [vcpkg](https://github.com/microsoft/vcpkg/)
 
 #### Windows Prerequisites
 
@@ -673,9 +676,9 @@ packages:
 * [NetWide Assembler](https://chocolatey.org/packages/nasm)
 
 To install Node.js prerequisites using
-[Boxstarter WebLauncher](https://boxstarter.org/weblauncher), open
+[Boxstarter WebLauncher](https://boxstarter.org/weblauncher), visit
 <https://boxstarter.org/package/nr/url?https://raw.githubusercontent.com/nodejs/node/HEAD/tools/bootstrap/windows_boxstarter>
-with Edge browser on the target machine.
+with a supported browser.
 
 Alternatively, you can use PowerShell. Run those commands from
 an elevated (Administrator) PowerShell terminal:
@@ -750,7 +753,7 @@ architecture supports \[arm, arm64/aarch64, x86, x86\_64].
 
 ## `Intl` (ECMA-402) support
 
-[Intl](https://github.com/nodejs/node/blob/HEAD/doc/api/intl.md) support is
+[Intl](doc/api/intl.md) support is
 enabled by default.
 
 ### Build with full ICU support (all locales supported by ICU)
@@ -816,7 +819,7 @@ that works for both your host and target environments.
 ### Build with a specific ICU
 
 You can find other ICU releases at
-[the ICU homepage](http://site.icu-project.org/download).
+[the ICU homepage](https://icu.unicode.org/download).
 Download the file named something like `icu4c-**##.#**-src.tgz` (or
 `.zip`).
 
@@ -847,7 +850,7 @@ From a tarball URL:
 #### Windows
 
 First unpack latest ICU to `deps/icu`
-[icu4c-**##.#**-src.tgz](http://site.icu-project.org/download) (or `.zip`)
+[icu4c-**##.#**-src.tgz](https://icu.unicode.org/download) (or `.zip`)
 as `deps/icu` (You'll have: `deps/icu/source/...`)
 
 ```powershell
@@ -870,10 +873,10 @@ configure option:
 ## Building Node.js with FIPS-compliant OpenSSL
 
 Node.js supports FIPS when statically or dynamically linked with OpenSSL 3 via
-[OpenSSL's provider model](https://www.openssl.org/docs/man3.0/man7/crypto.html#OPENSSL-PROVIDERS).
+[OpenSSL's provider model](https://docs.openssl.org/3.0/man7/crypto/#OPENSSL-PROVIDERS).
 It is not necessary to rebuild Node.js to enable support for FIPS.
 
-See [FIPS mode](./doc/api/crypto.md#fips-mode) for more information on how to
+See [FIPS mode](doc/api/crypto.md#fips-mode) for more information on how to
 enable FIPS support in Node.js.
 
 ## Building Node.js with external core modules