Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Collect 15 Daedric Artifacts
Bounty of 1000 gold in all nine holds
Returned the Thieves Guild to its former glory
Get married
Find 13 Standing Stones
Learn 20 shouts
Escape from jail
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Complete "The Fallen"
Complete "Dragonslayer"
Complete "Elder Knowledge"
Make a smithed item, an enchanted item, and a potion
Reach Level 50
Complete "Hail Sithis!"
Complete "Bound Until Death"
Join the Dark Brotherhood
Capture Fort Sungard or Fort Greenwall
Capture Solitude or Windhelm
Join the Stormcloaks or the Imperial Army
Have 100,000 gold
Clear 50 dungeons
Read 50 Skill Books
Complete "Glory of the Dead"
Absorb 20 dragon souls
Join the College of Winterhold
Become a member of the Circle
Join the Companions
Complete "Alduin's Wall"
Complete 10 side quests
Successfully persuade, bribe, and intimidate
Discover 100 Locations
Complete 50 Misc Objectives
Get a skill to 100
Acquire a Daedric Artifact
Complete "Darkness Returns"
Reach Level 25
Chop wood, mine ore, and cook food
Pick 50 locks and 50 pockets
Join the Thieves Guild
Reach Level 10
Buy a house
Complete "Diplomatic Immunity"
Learn all three words of a shout
Complete "The Way of the Voice"
Reach Level 5
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Complete "Unbound"
Tame and ride 5 dragons
Craft an item out of Stalhrim
Learn the secrets of 5 Black Books
Own a house in Raven Rock
Learn all 3 words of Dragon Aspect
Complete "At the Summit of Apocrypha"
Discover 30 locations on the island of Solstheim
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Defeat a Legendary Dragon
Change your face
Acquire 11 werewolf perks
Complete "Lost to the Ages"
Acquire 11 vampire perks
Use the special power of Auriel's Bow
Complete "Kindred Judgment"
Learn all three words of Soul Tear
Complete "Beyond Death"
Complete "Awakening"
Build three houses
Buy three plots of land
Adopt a child
Build three wings on a house
Buy a plot of land