+To run a sub-analysis **highlight** a section of sequence and *right
+click* on it and select **Add to subanalysis**. To the same for the
+sequences shown in orange in the screenshot below. Note that you **are
+NOT limited** to selecting more than one subsequence from the same
+sequence.
+
+.. image:: images/subanalysis_select_seqs.png
+ :alt: Subanalysis sequence selection
+ :align: center
+
+Once you have added your sequences for subanalysis, choose a `window size`_ and `threshold`_ and click **Ok**.
+
+.. image:: images/subanalysis_dialog.png
+ :alt: Subanalysis Dialog
+ :align: center
+
+A new Mussa window will appear with the subanalysis of your sequences
+once it's done running. This may take a while if you selected large
+chunks of sequence with a loose threshold.
+
+.. image:: images/subanalysis_done.png
+ :alt: Subalaysis complete
+ :align: center
+
+
+Copying sequence to clipboard
+-----------------------------
+
+To copy a sequence to the clipboard, highlight a section of sequence,
+as shown in the screen shot below, and do one of the following:
+
+ * Select **Copy as Fasta** from the **Edit** menu.
+ * **Right Click (Left click + Apple/Command Key on Mac)** on the highlighted sequence and select **Copy as Fasta**.
+ * Press **Ctrl + C (on PC)** or **Apple/Command Key + C (on Mac)** on the keyboard.
+
+.. image:: images/copy_sequence.png
+ :alt: Copy sequence
+ :align: center