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