Updated README for better instruction

README.md

@@ -2,14 +2,16 @@
 A Google Apps Script to purge Gmail messages by label
 
 # HOW TO
-1. Download the App Script (`AutoDeleteGmailByLabel.gs`) to your Google Drive folder. It
-can go anywhere, but for simplicity's sake it can often be easiest just to put it
-in the top level.
+1. Go to https://script.google.com (make sure your profile is correct for personal or work email)
 
-2. After you've downloaded the script, open the [Google Drive web UI](https://drive.google.com) and
-double click on the script file to open it in the Apps Script editor.
+2. Click the *New Script* button in the upper left.
 
-3. Edit the `LABELS_TO_DELETE` list. You can use an asterisk (*) to match simple patterns for labels,
+3. Copy and paste the code from [AutoDeleteGmailByLabel.gs](https://raw.githubusercontent.com/angrychimp/auto-delete-gmail-script/master/AutoDeleteGmailByLabel.gs)
+into the new `Code.gs` editor provided for you. Then press `Ctrl+S` (or `Cmd+S`) to save.
+
+4. For the "Project Name" enter "Auto-Delete-Gmail-by-Label". (This will create a `gscript` document in your Google Drive root folder.)
+
+5. Edit the `LABELS_TO_DELETE` list. You can use an asterisk (*) to match simple patterns for labels,
 and values for each entry should be the retention period in days. For example, to purge all
 messages for all labels nested under "Archive" after 30 days, but keep messages under "Archive/Keep"
 for up to 1 year, use the following example config:
@@ -22,7 +24,9 @@ var LABELS_TO_DELETE = {
 (Note that the above will _not_ purge anything with just the "Archive" label, but it will specifically
 look for anything _nested_ under "Archive".)
 
-4. After adjusting the configuration, from the menu bar select "Run" -> "Run Function" -> "Install".
+Once you've adjusted your label rules save the script.
+
+6. After adjusting the configuration, from the menu bar select "Run" -> "Run Function" -> "Install".
 This will schedule an initial run for the cleanup script 2 minutes from execution time, as well as
 schedule a daily execution bewteen 1:00-2:00 AM in your local timezone.