1-Take a Ghusl preferably near sunset time (wudhu also required)
and Give/pre arrange for Sadqa/Charity tonight.

2- Recite two Rakats Salat, in every Rakat recite Sura-al-Hamd,
and Sura Ikhlaas seven times.
(for seeking protection against sinning for the seven organs )
After finishing Salat recite 70 times:

3- Offer 4 cycles of ritual prayer (raka’t) (2 sets of 2 raka’ each)
In each raka’, after Surah FATIHA,
recite Surah QADR once and Surah IKHLAS three times.
Benefit: Effective for forgivness of sins.

4- 4 rak‘ats- one Salaam:

In every rak’at recite Surah Fatiha once,

Surah Takasur (Al’ha kumut takasur) once,

and Surah Ikhlas (Qulhu wallah) 3times.

This will lessen the pains and agonies of death and will protect you from the torments of the grave.