diff --git a/install.txt b/install.txt
index e118e2575..0199af594 100644
--- a/install.txt
+++ b/install.txt
@@ -9,20 +9,34 @@ $ make install
 add LD_LIBRARY_PATH="/usr/local/lib" to /etc/environment
 
 
-
 Regal
 git clone https://github.com/adrian-thurston/ragel.git
 
 $ ./autogen.sh
-$ ./configure --with-colm=/usr/local/
+$ ./configure --with-colm=/usr/local
 $ make
 $ make install
 
 
+PCRE
+download PCRE from sourceforge
+wget https://sourceforge.net/projects/pcre/files/pcre/8.45/pcre-8.45.tar.gz
+tar -xf archive.tar.gz
+
+$ ./configure  --enable-pcre16 --enable-pcre32
+$ make
+$ make install
+
+
+
+git clone https://github.com/tempesta-tech/linux-regex-module.git
 
-https://github.com/tempesta-tech/linux-regex-module.git
-./cmake ./
+cmake ./
+make
 
 after compilation
-copy hscollider from /linux-regex-module/bin/ to /tempesta/scripts/
+copy hscollider from /linux-regex-module/bin/ to /tempesta/scripts/ or default app directory???
 
+git clone https://github.com/tempesta-tech/tempesta.git
+cd tempesta
+git checkout ag_Multi-pattern-regular-expressions