diff --git a/src/Makefile b/Makefile
similarity index 70%
rename from src/Makefile
rename to Makefile
index ef32226..5a699d3 100644
--- a/src/Makefile
+++ b/Makefile
@@ -1,8 +1,9 @@
 
-VERSION := testing
+VERSION ?= testing
+BROWSER ?= firefox
 
-SRC_DIR := .
-TARGET_DIR := ../bin/$(VERSION)
+SRC_DIR := ./src
+TARGET_DIR := ./bin/$(VERSION)
 
 INSTALL_WIN_FILE := install_host_app.bat
 INSTALL_WIN_SRC := $(SRC_DIR)/$(INSTALL_WIN_FILE)
@@ -20,12 +21,20 @@ HOST_TARGETS := $(INSTALL_WIN_TARGET) $(INSTALL_UNIX_TARGET) $(HOST_APP_TARGET)
 
 all: $(HOST_TARGETS)
 
+install: install-unix
+install-unix: $(HOST_TARGETS)
+	$(INSTALL_UNIX_TARGET) --local $(BROWSER)
+install-win: $(HOST_TARGETS)
+	$(INSTALL_UNIX_TARGET) --local $(BROWSER)
+
 %/.d:
 	mkdir -p $(@D)
 	@touch $@
 
 $(HOST_TARGETS): $(TARGET_DIR)/%: $(SRC_DIR)/% $(TARGET_DIR)/.d
 	sed -e "s/_VERSIONHOLDER_/$(VERSION)/g" < $(SRC_DIR)/$* > $@
+	# Make install script executable
+	echo $@ | grep -vq '.sh$$' || chmod a+x $@
 
 clean:
 	rm -rf $(TARGET_DIR)
diff --git a/README.md b/README.md
index 9da928b..b0b6454 100644
--- a/README.md
+++ b/README.md
@@ -44,16 +44,15 @@ Note: Older Windows versions might require powershell to be installed manually a
 #### Latest from GitHub
 This is not recommended! Only for developers and for testing purposes!
 
-Clone the repository. Then, from the project's `src/` directory, run `make` and execute the installation script in `bin/testing` for your desired browser (`firefox`, `chrome`, `opera`, `chromium`, or `vivaldi`):
+Clone the repository. Then, run the following command.
 
 ```
-$ cd ./src
-$ make
-$ cd ../bin/testing
-$ ./install_host_app.sh --local [firefox|chrome|opera|chromium|vivaldi]
+$ make [VERSION=testing|...] [BROWSER=firefox|chrome|opera|chromium|vivaldi] install
 ```
 
-This will copy the host application and manifest files to the right place for your browser. The `--local` option makes the script use the files on disk rather than downloading them from GitHub.
+This will generate the host application and installation scripts for the given `VERSION` (`testing` by default), and copy the host application and manifest files to the right place for your `BROWSER` (`firefox` by default).
+
+This uses the `--local` option of the the `install_host_app.sh` script, which instructs it to use the files on disk rather than downloading them from GitHub.
 
 If this doesn't work, you can link the files yourself. First, change the `path` value in the `passff.json` file to be the absolute path to the project's `bin/testing/passff.py` file. Then symlink (or copy) the file `bin/testing/passff.json` to the appropriate location for your browser and OS: