Microsoft safety scanner is an on demand scanner to remove virus, spyware, malware and malicious software from the windows pc. it get expired automatically after 10 days of download to bring up the tool with the latest virus definition.. You can use this portable antivirus application in any windows 10, 8, 7 computer to scan for viruses and other potentially dangerous codes. use this portable antivirus software application anywhere, anytime to remove viruses and other threats.. 22 [ complete list ] free standalone / portable antivirus scanner updated: august 11, 2018 / home