Merge pull request #4919 from FrankXie05/vcpkg-instructions

Author: AenBleidd

INSTALL

@@ -5,3 +5,13 @@ To build the BOINC client software:
 For more information, visit:
 http://boinc.berkeley.edu/trac/wiki/CompileClient
 http://boinc.berkeley.edu/trac/wiki/BuildSystem
+
+Alternatively, you can build and install BOINC using [vcpkg](https://github.com/Microsoft/vcpkg/) dependency manager:
+
+    git clone https://github.com/Microsoft/vcpkg.git
+    cd vcpkg
+    ./bootstrap-vcpkg.sh
+    ./vcpkg integrate install
+    ./vcpkg install boinc
+
+The BOINC port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please [create an issue or pull request](https://github.com/Microsoft/vcpkg) on the vcpkg repository.