Hi Nawal,
So, you're saying I should go with the point 2). Could you, please, detail why I should not go with the first one and what is the difference between the two:
1. Under "Capital gains (or losses) and ABIL", on the page to your right, click on the plus sign "+" icon to the right of the line "Real estate, depreciable property and other properties".
2. On the page that appears, enters the relevant information in the first fields. If you are a co-owner of the residence with your spouse, go to the line "Your percentage share of capital gain/loss recorded here" enter your perc